Southern hemisphere

December 2026

Moon planting calendar — 10 root days, 7 leaf days, 6 flower days and 8 fruit days.

🌏 Southern hemisphereSwitch to northern
🌕

Full moon

24 December

🌑

New moon

9 December

🌱

Good sowing days

15 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 December 2026 the moon is ascending in southern skies — the traditional time for sowing and grafting — on 17 days. The strongest sowing dates fall on the 1, 2, 3 and 12 other days. Days marked in the table below sit near a lunar node or perigee, when traditional practice is to leave the soil alone.

Southern hemisphere. Moon phases and day types are the same the world over — a root day in Sussex is a root day in Canterbury. What changes is that ascending and descending are reversed, because the moon climbs southern skies as its declination moves south, and the sowing lists follow southern seasons.

Day-by-day moon planting calendar for December 2026 — southern hemisphere
DateMoon phaseSignDay typeSow or rest
1Tue Last quarter47% Leo🍅 Fruit DayAscending — sow and graft
2Wed Waning crescent37% Virgo🌱 Root DayAscending — sow and graft
3Thu Waning crescent27% Virgo🌱 Root DayAscending — sow and graft
4Fri Waning crescent19% Virgo🌱 Root DayAscending — sow and graft
5Sat Waning crescent11% Libra🌸 Flower DayAscending — sow and graft
6Sun Waning crescent6% Libra🌸 Flower DayAscending — sow and graft
7Mon Waning crescent2% Scorpio🥬 Leaf DayAscending — sow and graft
8Tue New moon0% Scorpio🥬 Leaf DayAscending — sow and graft
9Wed New moon0% Scorpio🥬 Leaf DayAscending — sow and graft
10Thu Waxing crescent2% Sagittarius🍅 Fruit DayDescending — transplant and prune
11Fri Waxing crescent5% Sagittarius🍅 Fruit DayDescending — transplant and prune
12Sat Waxing crescent10% Capricorn🌱 Root DayDescending — transplant and prune
13Sun Waxing crescent17% Capricorn🌱 Root DayDescending — transplant and prune
14Mon Waxing crescent24% Capricorn🌱 Root DayLunar node — avoid sowing
15Tue Waxing crescent33% Aquarius🌸 Flower DayDescending — transplant and prune
16Wed Waxing crescent43% Aquarius🌸 Flower DayDescending — transplant and prune
17Thu First quarter53% Pisces🥬 Leaf DayDescending — transplant and prune
18Fri Waxing gibbous63% Pisces🥬 Leaf DayDescending — transplant and prune
19Sat Waxing gibbous73% Aries🍅 Fruit DayDescending — transplant and prune
20Sun Waxing gibbous82% Aries🍅 Fruit DayDescending — transplant and prune
21Mon Waxing gibbous90% Aries🍅 Fruit DayDescending — transplant and prune
22Tue Waxing gibbous96% Taurus🌱 Root DayDescending — transplant and prune
23Wed Waxing gibbous100% Taurus🌱 Root DayDescending — transplant and prune
24Thu Full moon100% Gemini🌸 Flower DayPerigee — avoid sowing
25Fri Waning gibbous97% Gemini🌸 Flower DayAscending — sow and graft
26Sat Waning gibbous91% Cancer🥬 Leaf DayAscending — sow and graft
27Sun Waning gibbous83% Cancer🥬 Leaf DayLunar node — avoid sowing
28Mon Waning gibbous74% Leo🍅 Fruit DayAscending — sow and graft
29Tue Waning gibbous64% Leo🍅 Fruit DayAscending — sow and graft
30Wed Last quarter53% Virgo🌱 Root DayAscending — sow and graft
31Thu Waning crescent43% Virgo🌱 Root DayAscending — sow and graft

What to sow in December

🌱 Root Days10 in December

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

🥬 Leaf Days7 in December

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

🌸 Flower Days6 in December

Best for flowering plants, brassicas and herbs

🍅 Fruit Days8 in December

Best for fruiting plants — tomatoes, courgettes, beans, apples

Ready to harvest in December

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