Roman-wormwood
Ambrosia artemisiifolia
Ambrosia
Asteraceae
Native Plants
Zone 3–10
🌱 Beginner Friendly
Roman-wormwood is a hardy, low-maintenance perennial that thrives in partial shade with moderate watering. It tolerates a range of soil conditions and requires little intervention once established. Keep it contained as it can spread vigorously in favorable conditions.
Care Requirements
Care Level
Low
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
12″ – 48″
Soil
loam
Life Cycle
Perennial
Spacing
18″
Watering Schedule
Every 7-10 Days • Water Moderately; Allow Topsoil To Dry Slightly Between Waterings
Temperature
-25° – 95°F
Mature Spread
up to 24″
Root Depth
Medium
Foliage
Fine
Ecology & Origin
Native to
Afghanistan
Alabama
Alaska
Albania
Alberta
Algeria
Arizona
Arkansas
Assam
Austria
Baltic States
Belarus
Belgium
Botswana
Brazil North
Brazil Northeast
Brazil South
Brazil Southeast
British Columbia
Bulgaria
Attracts
🐝 Bees
🐝 Butterflies
🐝 Moths
Safety & Use
⚕ Medicinal
Sources
Data: trefle, usda
Image: trefle.io — Taken Jul 16, 2019 by Viktor (cc-by-sa)
Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Available From (0)
No nurseries currently have this species in stock.