Root crop · Earth (Taurus, Virgo, Capricorn)

Onions by the moon calendar 2026

For Onions the biodynamic calendar uses the root day: the moon then stands in front of Taurus, Virgo, Capricorn. Sowing and planting: March, April, May, August, September. Harvest: July, August, September.

The next favourable days

Root days in season

Thursday, March 4, 2027Root dayCapricorn
Moon path: ascending
Friday, March 5, 2027Root dayCapricorn
Moon path: ascending
Saturday, March 13, 2027Root dayTaurus
Moon path: ascending
Sunday, March 14, 2027Root dayTaurus
Moon path: ascending
Monday, March 15, 2027Root dayTaurus
Moon path: ascendingFirst Quarter
Monday, March 22, 2027Root dayVirgo
Moon path: descendingFull Moon
Tuesday, March 23, 2027Root dayVirgo
Moon path: descending
Wednesday, March 24, 2027Root dayVirgo
Moon path: descending
Thursday, April 1, 2027Root dayCapricorn
Moon path: ascending
Saturday, April 10, 2027Root dayTaurus
Moon path: ascending
Sunday, April 11, 2027Root dayTaurus
Moon path: ascending
Sunday, April 18, 2027Root dayVirgo
Moon path: descending

Sowing, planting and harvesting by the moon

Sowing and planting: March, April, May, August, September
Harvest: July, August, September

Sow on a root day. Plant out and transplant in the descending moon, leaving a few hours around lunar nodes and perigee free. Root vegetables are preferably sown in the descending moon.

Harvest root vegetables towards evening, preferably in the descending moon. For storage not at full moon, not at perigee and not on a leaf day (Masson).

Companion planting

Good and bad neighbours

Good neighbours: Dill, Strawberry, Lamb's lettuce, Cucumber, Chamomile, Butterhead lettuce, Carrot, Parsnip, Beetroot, Courgette
Bad neighbours: Cauliflower, Broccoli, French bean, Pea, Kohlrabi, Leek, Brussels sprouts, Red cabbage, Climbing bean, White cabbage, Savoy cabbage

Sources: Gertrud Franck, Schwester Christa, Mischkultur-Praxis.

Growing

Position and crop rotation

Group: Vegetables
Growing time: approx. 120 days
Position: Sun
Nutrient needs: Light feeder

Crop rotation: the following year Green manure in the bed.

Preceding crop: Spinach, Butterhead lettuce (in the bed before)

Following crop: Lamb's lettuce, Carrot, Strawberry (in the bed afterwards)

Frequently asked questions about Onions and the moon

When do you sow and plant Onions by the moon calendar?

In March, April, May, August, September on a root day. The next suitable days are listed at the top of this page.

When do you harvest Onions by the moon?

In July, August, September on a root day. Harvest root vegetables towards evening, preferably in the descending moon. For storage not at full moon, not at perigee and not on a leaf day (Masson).

Which neighbours suit Onions?

Good neighbours: Beetroot, Butterhead lettuce, Carrot, Chamomile, Courgette, Cucumber, Dill, Lamb's lettuce, Parsnip, Strawberry. Bad neighbours: Broccoli, Brussels sprouts, Cauliflower, Climbing bean, French bean, Kohlrabi, Leek, Pea, Red cabbage, Savoy cabbage, White cabbage.