A native bee feeding on flowers in an insectary garden.

Insectary gardens are like VIP lounges for beneficial insects. As a beginner gardener or a nature enthusiast, the idea of inviting insects into your green haven might seem like the antithesis of what typical gardening involves.

But these tiny visitors are the unsung heroes of the gardening world, waging natural wars against pests and even lending a hand (or wing) in pollination. Are you ready to roll out the proverbial red carpet for them?

Here’s a delightful guide to creating an insectary garden where you and your local ecosystem can flourish together.

Step 1: Planning Your Garden

A yellow dandelion being visited by a pollen covered bee which is a beneficial insect.
Dandelions are often the first abundant food source for beneficial insects in many areas.

Before you start digging in the dirt, it’s essential to plan your insectary garden. Remember, it’s not just about fitting plants into your space; you’re aiming for a botanical symphony that beckons beneficial bugs.

Selecting a Location

A successful insectary garden begins with choosing the perfect spot. Think of it as real estate for your tiny ecological allies—the better the location, the more your garden will thrive.

Step-by-Step Instructions for Selecting a Location:

  1. Observe Your Yard: Spend some time in your yard at different times of the day. Notice where the sun casts its longest shadows and where it seems to always be sunny. Beneficial insects are like any guest at a hotel; they need the right balance of amenities, in this case, sun and shade.
  2. Consider the Space: Beneficial insects have preferences for their lodgings. Butterflies bask in sunny spots, while ladybugs patrol for pests in areas that aren’t excessively windy. Ideally, you want a location that receives morning sun and dappled afternoon shade.
  3. Check for Existing Plants: Are there plants already thriving in your backyard? They might be the first indicators of an ideal location. If bees are buzzing and butterflies are fluttering around these plants, it’s a sign that you’ve found a spot they love.
  4. Simplify Water Access: Insects may not need a poolside bar, but your plants do need water to entice them. Make sure your garden location is within reach of your hose or watering system to keep your plants, and thereby your insect guests, vibrant and flourishing.
  5. Analyze Your Soil: Some quick soil tests can tell you a lot about potential spots for your garden. Easy-draining soil that doesn’t stay soggy is generally best. If you’re unsure about how to do this, friendly local extension services or gardening clubs can usually lend a hand—or a trowel.
  6. Safety First: You want your garden to be a peaceful retreat for beneficial insects, not a danger zone. Ensure the area is away from heavy foot traffic and pet play areas to keep your six-legged friends safe.
  7. Think Ahead: As your plants grow, they will change the sun and shade patterns in your garden. Try to envision how tall plants might cast shade on smaller ones and adjust your location if necessary.

As you follow these steps, remember that your insectary garden is a living entity that will evolve. The right location isn’t just about what works now but what will continue to provide a hospitable habitat as your garden grows.

Of course, this is just the beginning—once your guests begin to arrive, they’ll offer their feedback in ways both magical and miraculous.

Choosing Plants that Attract Beneficial Insects

A grouped planting in an insectary garden of plants that attract beneficial insects including, dill, lilies, onions and carrots.
Dill, lilies, onions, and carrots grow together in an insectary garden.

Creating a haven for beneficial insects starts with selecting the right plants. Think of each plant as a personal invitation to these garden guardians, letting them know they’re welcome in your green oasis.

The goal is to curate a diverse buffet that not only appeals to your buzzing buddies but also thrives in your local environment. Here’s how you can choose the best plants to create a vibrant and healthful insectary garden.

Where to find seeds and plants:

Botanical Interests

Nature Hills Nursery, Inc.

Garden Goods Direct

Territorial Seed Company

Tractor Supply

Ferry Morse Home Gardening

Step-by-Step Instructions for Choosing Plants:

  1. Know Your Allies: First things first—get acquainted with the beneficial insects native to your area. Are you longing for ladybugs, aiming for aphid-eating lacewings, or beckoning butterflies? Each insect has its plant preferences. For example, ladybugs love angelica and yarrow, while butterflies flock to buddleia and milkweed.
  2. Seasonal Smorgasbord: Like any good host, you’ll want to provide sustenance throughout the seasons. Choose a mix of plants that bloom at different times so that there’s always something on offer. This ensures your insect guests have a reason to stay all year round.
  3. Cluster Your Plants: Grouping similar plants together can create a more attractive landing pad for insects and can make your garden a hotspot for their favorite treats. Clusters also provide necessary shelter from the elements and predators.
  4. Color Your Garden: Insects are attracted to certain colors. Bright blooms like sunflowers and coneflowers are like neon signs pointing to a pollen paradise. Placing these around your garden can guide beneficial bugs to their new home.
  5. Scent-sational Choices: Many beneficial insects are enticed by fragrance. Herbs like lavender, thyme, and fennel are particularly persuasive, so consider adding a fragrant herb section to your garden’s layout.
  6. Bio-diversity is Key: Include a variety of plant types—annuals, perennials, shrubs, trees, and herbs—to create layers. This not only adds to the aesthetic but also provides different habitats and food sources for a variety of bugs.
  7. Go Native: Native plants are the cream of the crop when it comes to supporting local insects. They’re adapted to local climates, soils, and the insects themselves. Check with your local nursery or extension service to find out which plants are native to your area.
  8. Ditch the Chemicals: This might be a garden for bugs, but pesticides are definitely not welcome. Select plants that are naturally pest-resistant or use organic pest management methods to keep your garden chemical-free.
  9. Feed the Soil, Too: Healthy plants grow from the ground up, so start with nutrient-rich soil. This will help your plants produce the nectar and pollen that beneficial insects seek.
  10. Observe and Adjust: After planting, take time to observe which plants attract the most insects and which might be unpopular. It’s a learning process—be ready to adjust your selections in the following season.

How to Choose the Right Plants for Your Garden: Understanding Growing Zones

As you select your plants, imagine the tapestry you’ll weave in your garden. Each plant adds a thread of color, texture, and life, contributing to a living masterpiece that supports the ecosystem. Where there are flowers, there will be insects, and where there are insects, there will also be vitality.

Insectary Garden Plant List

A bumble bee feeding at a sunflower head.
Sunflowers are a favorite food source for bumble bees.

Embarking on the journey to create your personal insect oasis can be both exciting and impactful. To assist you in curating the perfect blend of flora, here’s a garden plant list teeming with variety—sure to transform your garden into a utopia for beneficial insects.

Your Go-To Plant Guide:

1. Yarrow (Achillea millefolium)

  • Growth Needs: Thrives in well-drained soil; drought-tolerant once established.
  • Sun Exposure: Full sun to part shade.
  • Insects Attracted: Ladybugs, hoverflies, and parasitic wasps.

2. Goldenrod (Solidago spp.)

  • Growth Needs: Adaptable to various soils; prefers not to be too pampered.
  • Sun Exposure: Full sun.
  • Insects Attracted: A wide range of pollinators, including bees and butterflies.

3. Aster (Asteraceae family)

  • Growth Needs: Average, well-drained soil; moderate water.
  • Sun Exposure: Full sun to part shade.
  • Insects Attracted: Bees, butterflies, and ladybugs.

4. Lavender (Lavandula spp.)

  • Growth Needs: Prefers well-drained, slightly alkaline soil; low water once established.
  • Sun Exposure: Full sun.
  • Insects Attracted: Bees, butterflies, and other pollinators enchanted by its fragrance.

5. Coneflower (Echinacea spp.)

  • Growth Needs: Adapts to a range of soil conditions; drought-resistant.
  • Sun Exposure: Full sun is best, can tolerate some shade.
  • Insects Attracted: Butterflies, bees, and even hummingbirds.

6. Fennel (Foeniculum vulgare)

  • Growth Needs: Favors rich, well-drained soil; needs regular water.
  • Sun Exposure: Full sun.
  • Insects Attracted: Swallowtail butterflies and various beneficial wasps.

7. Milkweed (Asclepias spp.)

  • Growth Needs: Prefers well-drained soil; drought-tolerant.
  • Sun Exposure: Full sun.
  • Insects Attracted: Monarch butterflies and various bees.

8. Sunflower (Helianthus annuus)

  • Growth Needs: Enjoys fertile, well-drained soil with regular water.
  • Sun Exposure: Full sun.
  • Insects Attracted: Bees, birds, and butterflies can’t resist these sunny blooms.

9. Thyme (Thymus vulgaris)

  • Growth Needs: Thrives in well-drained, slightly alkaline soil; low water once established.
  • Sun Exposure: Full sun.
  • Insects Attracted: Bees, butterflies, and other pollinators are drawn to its fragrant blooms.

10. Angelica (Angelica archangelica)

  • Growth Needs: Prefers moist, rich soil; regular water.
  • Sun Exposure: Full sun to partial shade.
  • Insects Attracted: A wide range of pollinators, including bees, flies, and beetles.

11. Dill (Anethum graveolens)

  • Growth Needs: Prefers rich, loose soil and regular watering.
  • Sun Exposure: Full sun.
  • Insects Attracted: Ladybugs and lacewings are especially fond of dill for its umbrella-shaped flowers and lush foliage.

12. Coriander (Coriandrum sativum)

  • Growth Needs: Favors well-drained soil with organic matter; keep soil moist but not soggy.
  • Sun Exposure: Full sun to partial shade.
  • Insects Attracted: Ladybugs, lacewings, and hoverflies are attracted to its fragrant blossoms.

13. Buckwheat (Fagopyrum esculentum)

  • Growth Needs: Thrives in a variety of soils; requires minimal maintenance.
  • Sun Exposure: Full sun is best.
  • Insects Attracted: Ladybugs, lacewings, and a myriad of pollinators are regular visitors to this versatile plant.

14. Caraway (Carum carvi)

  • Growth Needs: Does well in well-drained soil; moderately tolerant of drought.
  • Sun Exposure: Full sun.
  • Insects Attracted: Attracts lacewings and ladybugs with its delicate blossoms.

15. Marigold (Tagetes spp.)

  • Growth Needs: Adaptable to most soil types; drought tolerant with a preference for dry conditions.
  • Sun Exposure: Full sun.
  • Insects Attracted: The vibrant blooms will be a magnet for ladybugs, lacewings, and other beneficial insects.
A transparent green lacewing on a leaf.
A lacewing exploring a leaf and small flowers.

Remember, your garden is a living tapestry, where every plant you choose can make a positive impact on the local ecosystem. By selecting these insect-friendly plants, you’re well on your way to crafting a space that’s not only a treat for the eyes but also a banquet for our six-legged friends.

Use The Xerces Society Native Plant, Seed, and Services Directory to find a list of native plants in your area.

You also contribute to the natural ballet that ensures the health and beauty of your botanical sanctuary. Imagine stepping into your garden, greeted by a symphony of buzzing and flitting – proof that your efforts have paid off in creating a slice of paradise for beneficial insects.

Step 2: Preparing the Soil

A front yard cottage garden with a variety of colorful plants in bloom.

Healthy soil is the secret sauce for a thriving garden, whether it’s for bugs or blooms. Think of it as laying down the buffet before your guests arrive.

Soil Testing: Unlocking the Secrets of Your Garden’s Foundation

Before you invite the bustling crowd of beneficial insects with your chosen plants, it’s crucial to ensure they’re stepping into an accommodating environment. Soil testing is like conducting a health check-up for your garden’s foundation—it tells you what’s going well and what needs improvement.

Why Test Your Soil?

Testing your soil gives you invaluable insight into its pH level, nutrient content, and mineral deficiencies. A soil test can highlight whether your soil is acidic or alkaline, as well as which nutrients may be lacking to support healthy plant growth. This is akin to discovering a personalized diet plan for your plants that ensures they get just what they need to grow strong and attract friendly bugs.

How to Test Your Soil

To test your soil, you can purchase a home testing kit or send a soil sample to a local extension service. Home kits will provide immediate, though less precise, results. For a more detailed analysis, a laboratory test will do wonders. Either way, you’ll gather crucial information that can inform your next steps.

Find more soil testing resources at Garden Soil Test: Tips for Backyard Gardeners

Interpreting the Results

Once you have your results, it’s like holding a roadmap to a thriving garden. If you find that your soil is too acidic, liming materials such as calcitic lime or dolomitic lime could be added to raise the pH.

Conversely, if your soil is overly alkaline, sulfur or aluminum sulfate can help to lower the pH for a more neutral balance that many plants desire.

Nourishing Your Soil With Amendments

Let’s say your test reveals a nitrogen deficiency—a common concern for avid gardeners. You might consider incorporating a slow-release nitrogen fertilizer or planting nitrogen-fixing plants like clover as a cover crop. If phosphorus is lacking, bone meal can be a natural way to bolster your soil’s nutrient profile.

7 Best Garden Soil Amendments and Fertilizers

For example, if your garden’s soil is heavy with clay, incorporating organic matter such as compost or well-aged manure can improve soil structure, enhance drainage, and nurture a wide range of soil-dwelling creatures that help maintain a healthy ecosystem. Think of it as crafting the ideal bed for your garden to lay its roots.

Remember, the beauty of soil amendments is that they’re not just a one-off fix; they can be part of an ongoing care routine that ensures your soil remains rich and supportive season after season.

Creating a Suitable Environment for Plant Growth

A chair in an insectary garden with a very diverse grouping of plants that attract beneficial insects with yellow, pink and blue flowers.

Creating a friendly and thriving habitat for your plants is like setting the stage for a captivating play—the conditions need to be just right for the performers to give their best. The soil is your foundation, the sunlight is your spotlight, and the water is behind the scenes, ensuring everything runs smoothly.

Understanding Sunlight: The Right Rays for the Right Plants

Let’s talk about basking in the sun, shall we? Your green friends need light to perform photosynthesis, but not all plants enjoy the same amount of sunlight. Some are sunbathers, lounging all day in bright light, while others are like those who prefer the shade of a nice big umbrella.

Creating a Cool Oasis: The Importance of Shade in Your Garden

For example, vegetables such as tomatoes and peppers are sun-seekers that thrive with at least six to eight hours of direct sunlight a day. On the other hand, ferns and hostas will flourish in lower light conditions, making them fabulous understory performers in your garden ensemble.

Light Requirements for Plants: How to Choose the Right Location for Your Garden

Water Wisely: A Drink for Your Plant Friends

When it comes to hydration, consistency is key. Consider a plant’s need for water like your need for a refreshing drink on a hot day—a delicate balance, not too much and not too little. Create a watering schedule that aligns with your plants’ needs and weather patterns.

Use mulch to help retain moisture, keeping those roots nice and cozy. The aim is to ensure the soil around the roots remains damp but not waterlogged to prevent issues like root rot. Just think, the moisture level should be like a well-squeezed sponge—moist but not dripping.

Soil Matters: Tailoring Your Garden’s Bed

Have you ever experienced the bliss of sleeping in the perfect bed? Well, plants yearn for their ideal bed, too—soil that’s just right for them. Different plants require different types of soil. Herbs might enjoy well-draining, sandy soil, while water-loving plants like rice thrive in wetter conditions. Adding organic materials, such as compost, can improve soil texture and fertility. It’s akin to fluffing up the pillows for your plants, providing them a comfy place to lay their roots.

Fertilizing: The Occasional Treat for Your Garden

Think of fertilizer as the vitamins for your garden, an occasional treat that gives your plants a little growth spurt. Slow-release fertilizers are like gourmet meals spread out over time, and organic options like seaweed or fish emulsion are like homemade delicacies for your flourishing garden.

Rotation and Diversity: Keeping the Garden Party Exciting

Plant rotation is not only fun but also an essential dance of diversity. If you’ve planted tomatoes in the same spot year after year, try switching things up. Rotate crops to prevent pests and diseases from getting too comfortable. Plus, mixing up plant types can enhance the soil and create a more exciting view for you and the local wildlife.

Creating an enchanting environment for plant growth is all about being mindful of the unique needs of each plant and endeavoring to provide the best you can.

Step 3: Planting Your Garden

A large insectary garden with a simple gravel path full of layered flowering plants. Including, salvia, borage, yarrow, daisies, and foxgloves.

This is where the real fun begins. It’s time to get those plants in the ground and set the stage for your insectary garden.

Mastering the Layout: Arranging Your Insectary Garden

Step-by-Step Guidance

Crafting an inviting space for insects in your garden is a delightful blend of art and science, akin to setting a table for cherished guests. Let’s walk through it together, step by step.

  1. Observe Your Space: Look at the area you’ve dedicated to your insectary garden through the eyes of a butterfly or bee – where would they love to visit? Pay attention to sun and shade patterns as these will be crucial for your plant placement.
  1.  Design on Paper First: Even if you’re not the next Picasso, sketch out a simple blueprint of your garden. This visual guide will help ensure your plans are practical and proportionate. For instance, towering sunflowers at the back, medium shrubs in the middle, and ground cover in front create a tiered effect.
  2. Consider the Plant Heights: Keep in mind the mature heights of plants to maintain an open, airy feel. Tall plants should be positioned at the back of your bed or the center if it’s viewable from all sides, with shorter species towards the edges.
  3. Factor in Accessibility: Ensure you have pathways to allow easy access for maintenance and observation. Who doesn’t want to meander through their mini meadow, admiring their handiwork and visiting insects up close?
  4. Mix It Up with Diversity: Introduce a variety of plants to attract a chorus line of different insects – think colorful wildflowers, fragrant herbs, and hearty vegetables. More variety equals more party guests.
  5. Plant in Groups: Cluster similar plants together in swathes or drifts. Not only does this create a visually striking pattern, it makes life easier for your pollinating pals to hop from one bloom to the next.
  6. Timing is Everything: Plan for succession blooming where one set of plants takes the relay baton as another finish, ensuring a constant feast for your visitors.
A white butterfly drinking nectar on lavender flowers.
A white butterfly visiting lavender flowers.

Example Plots to Whet Your Appetite

  • The Butterfly Banquet: A solarium of sun-loving lavenders and echinaceas surrounded by a moat of marigolds. Picture this as a sunny day delight for our fluttering friends.
  • The Bee’s Knees: A buffet of bee balm, clover, and foxglove, with a side salad of chives and thyme. This plot buzzes with life, quite literally!
  • The Hummingbird Hangout: An aerial playground with penstemon and salvia skyscrapers towering over a lush carpet of impatiens.

Remember, your garden is a living tapestry, a place where plants and insects can dance in harmony. Be patient, be willing to learn, and most of all, have fun with it. With a dash of planning and a sprinkle of love, you’ll create a vivid vignette of nature’s best.

The ‘Botanical Triad’: The Presence of Insectary Plants Enhances Natural Enemy Abundance on Trap Crop Plants in an Organic Cabbage Agro-Ecosystem

Step 4: Maintenance Tips

Ladybugs and other beneficial insects feasting on aphids on a thistle plant.
Ladybugs and other beneficial insects feed on aphids on a thistle plant.

Gardening isn’t just about planting and then waiting for things to happen. Like any good relationship, it requires upkeep to keep both sides happy.

Watering and Fertilizing

Consistent watering is key, especially during the first growing season when plants are establishing their roots. Fertilize sparingly with an organic, balanced fertilizer to avoid overwhelming the soil.

5 Simple Summer Garden Tips

Monitoring Insect Activity

Spend time observing your garden. Keep a lookout for patterns of insect behavior, and note which plants seem to attract the most visitors. Over time, you might even be able to predict the inhabitants of your insectary garden.

Managing Weeds

Weeds compete with your plants for water and nutrients. Regular weeding or mulching can help keep your garden healthy and deter unwanted guests who might crowd the space and inhibit the growth of your beneficial plants.

Mulch Magic: Improving Your Soil Health

Step 5: Enjoying Your Insectary Garden

A spotted butterfly perched on yellow flowers.

The work is done, the garden is planted, and now it’s time to reap the rewards. But wait—it’s not just about what you get out of it; it’s also about what you contribute to the world around you.

The Joy of Being Present: A Moment in Your Insectary Garden

As you settle into your favorite garden chair, the whisper of leaves and the soft murmur of insects provide a natural symphony, ushering in a moment of tranquility.

Embrace the Serenity: Begin by taking a deep breath and letting the stresses of the day melt away. It’s just you and your flourishing garden, a pint-sized paradise where each plant and visitor plays an essential role.

Marvel at the Minuscule: Observe the delicate dance of a ladybug as it scales a blade of grass or the industrious journey of an ant forging its path. Each buzzing bee and fluttering butterfly is not just a visitor but a vital performer in the act of pollination. You’re not merely a bystander; you are the conductor of this living orchestra, having provided a stage for nature’s marvels to unfold.

Cultivating Moments of Awe in the Garden: How to Turn Your Backyard into an Inspiring Sanctuary

Reflect on the Impact: Contemplate the significance of your garden as a beacon of biodiversity. By nurturing this space, you’ve crafted a refuge that ripples outward, supporting wildlife and contributing to local ecosystems. Like a mindful custodian, remember that your acts of watering, weeding, and planting are strokes on the canvas of a larger environmental masterpiece.

Engage Your Curiosity: Harness the power of observation by keeping a diary of the day’s visitors—you might be surprised by the diversity. Which flowers are the most popular today? Can you identify the new species that decided to stop by?

Transform Your Garden with Solar Powered Outdoor Water Fountains

With each visit, you’ll discover subtle changes and new guests, an ongoing testament to your garden’s success. This is a place to learn, delight in the details, and draw inspiration from nature’s complexity.

As dusk approaches and the last rays of sunlight tiptoe through your garden, allow yourself a contented smile. In this space, you are both a learner and a teacher, connected to the cycles of life that quietly thrive in your own backyard.

Supporting Local Ecosystems

A butterfly garden with red, purple and yellow flowers in front of solar panels.

Creating an insectary garden is like throwing open the doors to a grand ecological party that reaps remarkable benefits for the local environment. It’s about more than just the satisfaction of nurturing beautiful plants and watching a kaleidoscope of insects buzz and flutter about—it’s about establishing a sanctuary that plays a vital role in the local ecosystem.

A Respite for Pollinators: In a world where natural habitats are rapidly shrinking, your garden stands as an oasis for busy pollinators. Bees, butterflies, and other busybodies can find solace and sustenance among your plants, helping to maintain pollination cycles that are crucial for the production of many fruits, nuts, and vegetables.

The Bigger Picture of Biodiversity: By choosing a mosaic of plant species, your garden becomes a hub of biodiversity. This diversity not only makes your garden a more vibrant and interesting place, but it also encourages a robust ecosystem resilient to pests and adaptable to changing conditions.

Nurturing the Soil—The Unsung Hero: Fertile soil is teeming with life. Your garden practices, especially if you make use of composting and avoid harsh chemicals, enrich the soil. This creates an environment that supports worms, beneficial microbes, and a plethora of tiny organisms, each with an important role in the health of our planet’s soils.

A Link in the Chain: Each creature that visits or makes a home in your garden is a link in the ecological chain. Perhaps you’ve created an environment for a bird to nest or a hedgehog to hibernate. What seems like a simple act—placing a bird bath or leaving a small pile of leaves for cover—can have far-reaching effects for wildlife conservation.

EDITOR’S CHOICE: Enhancing gardens as habitats for flower-visiting aerial insects (pollinators): should we plant native or exotic species?

Countering Urban Spread: As urban areas expand, wildlife finds it increasingly challenging to thrive. Your insectary garden becomes a critical patch in the green quilt of corridors enabling creatures to navigate through urban landscapes.

Climate Warriors: Plants are nature’s climate warriors, absorbing carbon dioxide and releasing oxygen. Your garden acts as a miniature carbon sink, mitigating the effects of climate change ever so slightly, but importantly, as part of a collective effort.

Water Wise: Smart gardeners like you also play a crucial role in managing water resources efficiently. Using mulch to retain soil moisture or installing a rain barrel for watering can have significant impacts on local water conservation.

The association of green space, tree canopy and parks with life expectancy in neighborhoods of Los Angeles

Remember, every little choice you make contributes to a grand design—your garden, this delightful haven of biodiversity, becomes part of your legacy, an investment in the natural world.

Embrace this journey with enthusiasm, a heap of curiosity, and the knowledge that each plant you tend and every creature you host brings our world one step closer to ecological harmony. Isn’t it wonderful? You’re not just growing plants; you’re growing a brighter future for the planet.

Happy Gardening!