Planting Crops Based on Moon Phases

Why Farmers Around the World Still Trust Lunar Timing for Agricultural Success

Details

The belief that crop success depends on planting during specific lunar phases is a widely practiced agricultural superstition. According to traditional guidelines, above-ground crops such as corn, lettuce, and tomatoes should be planted during the waxing moon—when the moon is growing fuller—while root vegetables like carrots and potatoes thrive when planted during the waning moon.

This practice is rooted in the idea that the moon’s gravitational pull affects not only ocean tides but also moisture levels in the soil and within plant cells. The waxing moon is thought to promote upward sap flow and leafy growth, while the waning moon encourages downward root development. Some variations also recommend avoiding planting on the new or full moon itself, treating those days as times for rest or observation rather than action.

Historical Context

Lunar agricultural timing appears in farming traditions worldwide:
• The ancient Roman agricultural manual by Pliny the Elder included detailed lunar planting instructions
• Native American farming practices across multiple tribes incorporated moon phase timing
• European farmer’s almanacs have provided lunar planting calendars since the 17th century
• Biodynamic agriculture, developed in the 1920s, formalized lunar planting into specific methodology

These practices were based on the belief that the moon’s gravitational pull affects moisture in soil and plants, similar to its effect on tides.

Modern Relevance

Lunar planting remains surprisingly prevalent in contemporary agriculture. The Old Farmer’s Almanac continues to publish lunar planting guides with significant readership. A 2019 survey of organic farmers found that approximately 43% consider lunar phases in their planting decisions. While conventional agricultural science finds limited evidence supporting these practices, they persist strongly in organic, biodynamic, and traditional farming communities worldwide.

Sources

Steiner, R. (1993). Agriculture: Spiritual Foundations for the Renewal of Agriculture. Bio-Dynamic Farming and Gardening Association.
Kollerstrom, N. (1993). “Gardening and Planting by the Moon.” Journal of Biological Agriculture and Horticulture, 9, 307–322.