In a healthy woodland, no tree grows alone. It's surrounded by shrubs, flowers and groundcovers that shelter its roots, feed its soil and bring in the insects and birds that keep pests in check. A guild is a small, planned community like that, built around one fruit or nut tree.
Instead of a lonely tree in a ring of lawn, a guild gives you a tree with helpers: plants that make mulch, add nitrogen, block grass, attract pollinators and feed your family too.
- 1Name the jobs that guild plants do for a tree.
- 2Choose helper plants for each job, suited to your climate.
- 3Lay out a guild in rings around a tree's drip line.
- 4Tell well-supported practices from popular myths.
- 5Plant and care for a guild as the tree grows.
The jobs in a guild
Nitrogen fixers
Plants in the pea family and a few others partner with soil bacteria to pull nitrogen from the air. Clover, lupines, peas and shrubs like goumi or, in California, native ceanothus.
Chop-and-drop plants
Fast, leafy plants you cut a few times a year and leave on the ground as mulch. Comfrey is the classic; rhubarb and artichokes do it too.
Insectary flowers
Small flowers that feed bees and the tiny wasps, hoverflies and lacewings that eat pests. Yarrow, dill, calendula, alyssum, phacelia.
Suppressors
Grass steals water and nitrogen from young trees. A ring of bulbs or alliums and a thick mulch hold it back.
Groundcovers
Living mulch that keeps soil cool and moist: white clover, strawberries, creeping thyme.
Edible extras
Herbs, berries and perennial vegetables that also do one of the jobs above.
Laying out a guild
- Mark the drip line. Use stakes or flags to mark where the tree's branches will reach when it's grown (Lesson 1). That circle is the guild.
- Sheet mulch it. Cardboard, then compost, then wood chips (Permaculture Lesson 3), keeping mulch a hand's width from the trunk.
- Leave the trunk room. Keep companion plants about 2 ft from the trunk so they don't crowd it or hide pests.
- Low and sunny on the south. Shorter plants go on the sunny side; taller shrubs can go on the north or east.
- Stay off the roots. Make a stepping-stone path for picking and pruning, and otherwise keep feet outside the drip line.
What will your guild need?
Starting numbers for a guild at the tree's full size. While the tree is young, plant the inner rings first and expand outward as it grows. Mulch stays a hand's width away from the trunk.
Sample guilds
| Tree | Helpers | Notes |
|---|---|---|
| Apple or pear | Daffodils at the drip line, chives, comfrey, yarrow, dill, white clover, a currant or goumi bush | The classic guild, good in most temperate climates |
| Plum or cherry | Garlic, calendula, lupine, strawberries, a blueberry bush on the sunny side | Keep the area weed-free in the early years |
| Fig (warm climates) | Rosemary, lavender, thyme, nasturtium, an artichoke for chop-and-drop | Drought-tolerant Mediterranean companions |
| Chestnut or walnut | Elderberry, hazelnut at the edge, comfrey, clover | Walnuts make a natural chemical (juglone) that harms tomatoes, apples and many others; choose tolerant companions |
| California native style | Ceanothus, lupine, yarrow, California poppy, native bunchgrasses | Fire-wise, low-water, and loved by native bees |
What works, and what's folklore
Guilds come from careful observation, but some popular claims have run ahead of the science. Knowing the difference helps you plant for real results.
| Claim | What we know |
|---|---|
| Mulch and groundcovers help young trees | Well supported: cooler, moister soil, fewer weeds and more soil life |
| Flowers bring in beneficial insects | Well supported: small-flowered plants feed pollinators and natural pest predators |
| Nitrogen fixers feed nearby plants | Supported over time, mostly as their leaves and roots break down, especially when you chop and drop them |
| Comfrey "mines" deep nutrients | Overstated. Studies find its nutrient levels are fairly average. Its real value is lots of fast mulch |
| Daffodils keep gophers and voles away | Mostly anecdotal. They're toxic if eaten, and they do help block grass, but don't count on them alone |
Caring for a guild over time
Protect the tree
The tree comes first. Keep the inner ring clear and mulched, water deeply, and add only a few helpers near the trunk.
Fill the rings
Expand outward as the canopy grows. Chop comfrey and nitrogen fixers two or three times a season and drop the cuttings under the tree.
Let shade change it
As shade deepens, swap sun lovers for shade-tolerant herbs and groundcovers.
A guild in bloom is a small wonder: blue chives, yellow daffodils, white clover and lacy yarrow under a flowering apple, humming with bees. It turns every tree into a garden of its own.
Plant a fruit tree guild
Build a guild around the tree you planted in Lesson 1, or around an existing fruit tree. Then count the insects that visit, before and after, like real scientists.
You'll need
- A young fruit tree (yours from Lesson 1, or an existing one)
- Stakes or flags, cardboard, compost and wood chips
- Helper plants or seeds for at least four guild jobs
- A trowel, a watering can and a notebook
- A timer for the insect count
Do it together
- Count first. Sit by the tree for 10 minutes on a sunny day and tally every bee, fly and beetle you see.
- Mark the drip line with stakes at the tree's grown size, and run the guild calculator.
- Sheet mulch the circle, keeping mulch away from the trunk.
- Plant the rings: alliums near the trunk, comfrey and herbs in the middle, a nitrogen fixer and flowers, and bulbs or clover at the drip line.
- Water everything in and label the plants.
- Count again each month through summer. Do more helpful insects visit as the guild grows?
Little gardeners
- Plant bulbs and seeds around the ring
- Count bees with tally marks
- Draw the guild from above like the diagram
Older gardeners
- Choose plants for each job and research whether they're invasive locally
- Make a bar graph of the monthly insect counts
- Measure the drip line and calculate the guild area
Add the guild plants to your orchard record. In Lesson 5 you'll learn to prune the tree at its center.
No tree stands alone
A guild is a picture of good community: each plant giving something, each receiving something, all of them stronger together than apart. The tree at the center bears more fruit because of the small, faithful plants around its feet.
Next, we learn the skills that keep trees healthy and multiply them: pruning, grafting and propagating.
Your Lesson 4 worksheet
Work through these together. Your answers save on this device as you type, and print cleanly for your records.
Progress record
What this lesson practices:
- ScienceInterdependent relationships in ecosystems; pollinators and pest predators (NGSS 2-LS2-2, MS-LS2-2, 3-LS4-3).
- MathCircles: circumference and area; data in bar graphs (Common Core 7.G.B.4, 3.MD.B.3).
- InvestigationCounting and comparing data over time; questioning claims with evidence.
- Life skillsResponsible planting and caring for a living system.
Standards mapping is a draft. If you use charter or ESA funds, confirm it with your education specialist.