Amaranth
Amaranthus spp.
A vegetable, sown April to June. It needs 3 jobs a year.
In September: harvest the amaranth.
Garden Helper, the free plan, holds up to 10 plants. You sign in with a link we email you, with no password.

Amaranth, month by month
Bar: the usual months. Sprout: this month.
| Sowing, planting or job | Sep | Oct | Nov | Dec | 2027Jan | Feb | Mar | Apr | May | Jun | Jul | Aug |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sow under cover. | none | none | none | none | none | none | none | usual | usual | none | none | none |
| Sow outdoors. | none | none | none | none | none | none | none | none | none | usual | none | none |
| Plant out. | none | none | none | none | none | none | none | none | usual | usual | none | none |
| Sow another batch of amaranth. | none | none | none | none | none | none | none | usual | usual | usual | usual | usual |
| Feed the amaranth. | none | none | none | none | none | none | none | none | none | usual | none | none |
| Harvest the amaranth. | usual | usual | none | none | none | none | none | none | none | none | usual | usual |
What to do, and when
The usual months for a UK garden. Your own plan gives the week.
Sowing and planting
Sow under cover April to May, on the surface. Moderate sources: Garden Organic and Vital Seeds.
Sow outdoors in June, 0.3 to 0.6cm deep, 30 to 60cm apart. Moderate sources: Garden Organic, Gardeners’ World and Johnny’s Seeds.
Plant out May to June, 30 to 60cm apart. Moderate sources: Garden Organic and Gardeners’ World.
Sow another batch of amaranth
Gardeners call this successional sowing.
Sow again monthly for a steady supply of leaves.
Usually April to August. Moderate source: Garden Organic.
Feed the amaranth
Drench the plants with a high-nitrogen liquid fertiliser to support vigorous growth.
Usually June. Weaker source: GrowVeg.
Harvest the amaranth
Usually July to October. Moderate sources: Garden Organic and RHS.
What the source words mean
Moderate: another trusted UK source, or the RHS on its group.Weaker: a blog, a forum, a small website or a page from outside the UK. Treat it as a guide.
Every line above names the page it comes from. Where we found no good source for a job, we left it out. Where the name “Amaranth” comes from.