Absinth, or wormwood, is a clump forming, woody, perennial that is native to Europe and Asia. The aromatic, hairy, silver gray foliage also bears panicles of insignificant grayish yellow flowers.
This plant is best grown in rich, well drained soil and full sun. It is commonly used as an ingredient in the liquor absinthe and has other medicinal purposes that may be useful for an herb garden. It is also excellent in a rock garden or in the background in a perennial border. It is a lovely companion to any dark red, purple or blue flowering plant, such as peony or delphinium.
Information source: www.Learn2Grow.com.
Genus - Artemisia
Species - Absinthium
Common name - Wormwood
Pre-Treatment - Not-required
Plant type - Perennial herb
Hardiness zones - 4 - 8
Exposure - Full Sun
Height - 0,70 - 0,90 m
Spread - 0,50 - 0,60 m
Growth rate - Medium
Bloom season - Late Summer
Leaf / Flower color - Silver, Gray / Yellow, Gray
Soil PH - Neutral
Soil type - Loam, Well Drained
Water requirements - Average water needs, drought tolerant
Landscape uses - Herb / Vegetable, Mixed Border, Rock Garden / Wall
The seeds are very tiny, so take a pinch between your fingers and very carefully sprinkle them on sterile moist planting medium, then gently firm in with your fingertip. Don't bury them, because they need light to germinate, but as with any seed, do not put them in direct sunlight.
Germination time - 1-2 weeks. The best temperature for germination - +18-+22C. Avoid higher than +26C temperatures, because the most likely seeds will not germinate at all.
You can get a jump on their growth by starting them 6-8 weeks before the last frost in your area. Use mist or bottom watering.
They should be transplanted outside after danger of frost is over and when they have at least one true set of leaves (after the first two leaves).
Put them in a sunny or partly shady spot with dry soil and at a spacing of 60-90 cm. (information source: http://www.alchemy-works.com/artemisia_absinthum.html).