Moon Calendar

Plant Cultivation and Seed Germination According to the Lunar Calendar

Growing plants by the lunar calendar is a traditional practice that remains popular, especially in organic and biodynamic gardening. Many gardeners align sowing, plant care, and harvesting with the phases of the moon. It is important to note that, while this approach has deep cultural roots, its effectiveness has not been scientifically proven. The method is largely based on centuries of observation and gardener experience rather than controlled research.

Why Full Moon Is Considered an Ideal Time for Germination

In traditional lunar gardening, the first day after the full moon is believed to be particularly favorable for seed germination. This moment is often described as a natural “energy peak,” when moisture levels and sap flow in plants are thought to be at their highest. Gardeners who follow the lunar calendar claim that seeds sown at this time tend to produce stronger, more resilient seedlings — although this observation has not been scientifically validated.

How to Germinate Seeds Successfully (With or Without the Moon)

Regardless of the lunar phase, successful germination depends primarily on proven horticultural principles:

• Substrate: Use a fine, low-nutrient seed-starting mix that allows good aeration and moisture control.
• Moisture: Keep the substrate evenly moist but not waterlogged to prevent seed rot.
• Temperature: Maintain a steady temperature between 22 – 25 °C / 72 – 77 °F for most plant species.
• Location: Choose a quiet, draft-free spot with stable light and temperature conditions.

Under these optimal conditions, the first roots typically appear within a few days — a process that occurs independently of lunar influence and is well understood in plant biology.

Gardening by the Moon: Beyond Seed Germination

Enthusiasts of lunar gardening often extend the practice beyond sowing. The moon phases can also serve as a guide for other cultivation steps:

• Transplanting or repotting: Often done during the waning moon, which is believed to favor root development.
• Fertilizing: Some gardeners prefer the waxing moon period, associated with upward growth.
• Harvesting: Above-ground crops are typically harvested during the waxing moon, while root crops are harvested during the waning moon.

These practices are part of traditional horticultural knowledge and should be seen as complementary cultural methods, not replacements for scientifically established growing techniques.

Conclusion: Combining Tradition and Science in the Garden

Using the lunar calendar can be an inspiring way to garden in harmony with natural rhythms. For many, it provides structure, mindfulness, and connection to nature. However, the scientific foundations of lunar gardening remain uncertain. For reliable results, it is always best to focus on proven cultivation factors such as proper temperature, soil quality, moisture, and seed health — and treat the lunar calendar as an optional guiding tool.