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Three Sisters Guild

beginner level

An ancient Native American companion planting system combining corn, beans, and squash for mutual benefit and maximum yield.

The Three Sisters guild is a time-tested polyculture that has sustained communities for thousands of years. Corn provides a natural trellis for beans, which fix nitrogen in the soil. Squash spreads along the ground, shading the soil to retain moisture and prevent weeds. Together, they create a balanced ecosystem that produces complete nutrition.

Companion Plants
3
USDA Zones
3-9
Space Needed
Minimum 4x4 feet per mound
Skill Level
beginner

Plants in This Guild

Corn

Partner Plant 1

Beans (Pole)

Partner Plant 2

Winter Squash

Partner Plant 3

Key Benefits

Maximizes space through vertical growing

Provides complete protein when eaten together

Improves soil fertility naturally

Reduces pest pressure

Conserves water through ground cover

Layout & Design

Pattern

Mounded hills 4 feet apart

Spacing

Plant corn first, beans 2 weeks later, squash with beans

Size Requirements

Minimum 4x4 feet per mound

Maintenance Tips

  • Build mounds 12 inches high for drainage
  • Plant 4-6 corn seeds in center of each mound
  • Add 4 bean seeds around corn when 6 inches tall
  • Plant 2-3 squash seeds at mound edges
  • Water deeply at planting and during dry spells

Harvesting Notes

  • Harvest beans regularly for continued production
  • Leave some beans to dry for storage
  • Harvest winter squash after first light frost
  • Corn is ready when silks are brown and dry

Quick Start Implementation

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1. Plan Layout

Design your space according to the recommended pattern and sizing.

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2. Prepare Soil

Ensure proper soil conditions for all plants in the guild.

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3. Plant in Sequence

Follow the recommended planting timing and spacing guidelines.

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4. Maintain & Monitor

Regular care and observation for optimal guild performance.

Ready to Create Your Three Sisters Guild?

Start with our property assessment guide to find the perfect location, then explore individual plant growing guides for detailed care instructions.