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About this seed
Sweet wormwood (Artemisia annua) is a fast-growing, strongly aromatic annual, 1–2 m tall, with fine feathery leaves and small yellow flowers in late summer to autumn. Its seed needs light: sow on the surface. The packet holds 200 seeds.
Also known as: Annual wormwood, Qinghao, Sweet Annie.
Sow on the surface
- Sow on moist soil and do not cover; the seed needs light to germinate.
- Keep at 18–24 °C.
- Germination takes 7–21 days.
Site
Full sun, in well-drained, light, sandy soil, neutral to slightly acidic. Water moderately and avoid overwatering; established plants tolerate drought. It tolerates light frost but prefers temperatures above 15 °C.
Size matters
Plants are upright and bushy and reach 1–2 m in one season, so give them room at the back of a bed.
Uses
The scented foliage is used in dried arrangements, sachets and potpourri, and the plant adds texture to herb gardens.
What you get
One packet of 200 Artemisia annua seeds. We do not state a germination percentage for this lot.
FAQ
Why did my seed not sprout?
Covering it is a common cause. It needs light, and 18–24 °C.
Is it perennial?
No. Artemisia annua is an annual that reaches 1–2 m in one season.
How much frost can it take?
Only light frost; it prefers temperatures above 15 °C.