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Full moon

17 August

🌑

New moon

2 August

🌱

Good sowing days

14 days

The moon passes through all twelve signs of the zodiac each month, and biodynamic growers match what they sow to the element the moon is travelling through. In August 2027 the moon is ascending — the traditional time for sowing and grafting — on 15 days. The strongest sowing dates fall on the 12, 13, 14 and 11 other days. Days marked in the table below sit near a lunar node or perigee, when traditional practice is to leave the soil alone.

Day-by-day moon planting calendar for August 2027
DateMoon phaseSignDay typeSow or rest
1Sun Waning crescent1% Cancer🥬 Leaf DayDescending — transplant and prune
2Mon New moon0% Cancer🥬 Leaf DayLunar node — avoid sowing
3Tue Waxing crescent2% Leo🍅 Fruit DayDescending — transplant and prune
4Wed Waxing crescent6% Leo🍅 Fruit DayDescending — transplant and prune
5Thu Waxing crescent13% Virgo🌱 Root DayDescending — transplant and prune
6Fri Waxing crescent22% Virgo🌱 Root DayDescending — transplant and prune
7Sat Waxing crescent32% Virgo🌱 Root DayDescending — transplant and prune
8Sun Waxing crescent43% Libra🌸 Flower DayDescending — transplant and prune
9Mon First quarter53% Libra🌸 Flower DayDescending — transplant and prune
10Tue Waxing gibbous63% Scorpio🥬 Leaf DayDescending — transplant and prune
11Wed Waxing gibbous72% Scorpio🥬 Leaf DayDescending — transplant and prune
12Thu Waxing gibbous81% Sagittarius🍅 Fruit DayAscending — sow and graft
13Fri Waxing gibbous88% Sagittarius🍅 Fruit DayAscending — sow and graft
14Sat Waxing gibbous93% Sagittarius🍅 Fruit DayAscending — sow and graft
15Sun Waxing gibbous97% Capricorn🌱 Root DayAscending — sow and graft
16Mon Waxing gibbous99% Capricorn🌱 Root DayLunar node — avoid sowing
17Tue Full moon100% Aquarius🌸 Flower DayAscending — sow and graft
18Wed Waning gibbous99% Aquarius🌸 Flower DayAscending — sow and graft
19Thu Waning gibbous96% Aquarius🌸 Flower DayAscending — sow and graft
20Fri Waning gibbous91% Pisces🥬 Leaf DayAscending — sow and graft
21Sat Waning gibbous84% Pisces🥬 Leaf DayAscending — sow and graft
22Sun Waning gibbous76% Aries🍅 Fruit DayAscending — sow and graft
23Mon Waning gibbous67% Aries🍅 Fruit DayAscending — sow and graft
24Tue Waning gibbous57% Aries🍅 Fruit DayAscending — sow and graft
25Wed Last quarter46% Taurus🌱 Root DayAscending — sow and graft
26Thu Waning crescent35% Taurus🌱 Root DayAscending — sow and graft
27Fri Waning crescent24% Gemini🌸 Flower DayDescending — transplant and prune
28Sat Waning crescent15% Gemini🌸 Flower DayDescending — transplant and prune
29Sun Waning crescent7% Cancer🥬 Leaf DayLunar node — avoid sowing
30Mon Waning crescent2% Cancer🥬 Leaf DayPerigee — avoid sowing
31Tue New moon0% Leo🍅 Fruit DayDescending — transplant and prune

What to sow in August

🌱 Root Days7 in August

Best for root vegetables — carrots, beetroot, potatoes, onions

🥬 Leaf Days8 in August

Best for leafy greens — lettuce, spinach, chard, herbs for leaf

Ready to harvest in August

Want the reasoning behind all this? The biodynamic growing guide covers the day types, the eight preparations and where the practice came from.