The Story
Plant Bio
Artemisia rupestris is a hardy, evergreen perennial with silvery-gray, aromatic foliage and small, yellowish-green flowers that bloom in dense clusters, creating a soft, silvery appearance.
This species is notable for its drought tolerance and ability to thrive in rocky, well-drained soils, making it ideal for xeriscaping and low-maintenance gardens.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
12 inches
Width
18 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8, 9
Water
Low
Humidity
Low to moderate
Lifespan
Perennial
Native To
Mediterranean region
Toxicity
Non-toxic to humans and pets
Bloom period
Early summer – Mid-summer
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds into well-draining soil in early spring
- Water lightly until established, about 2 weeks
- Place in full sun for optimal growth
- Thin plants to maintain spacing of 12 inches
- Mulch lightly to retain moisture and suppress weeds
- Fertilize with a balanced, low-nitrogen fertilizer in spring
Pro Tip
Ensure excellent drainage to prevent root rot and promote healthy growth.
Keep It Thriving
Care Guide
Do
- Water sparingly, especially during drought 🌱
- Prune back in early spring to maintain shape
- Apply a low-nitrogen fertilizer annually
- Mulch around the base to conserve moisture
Don't
- Overwater, which can cause root rot ❌
- Avoid heavy fertilization that encourages floppy growth
- Don't plant in poorly drained soil
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Plant | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Rocky Artemisia questions
What zones can Rocky Artemisia grow in?
Rocky Artemisia is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Rocky Artemisia deer resistant?
Not reliably. Deer may browse Rocky Artemisia, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Rocky Artemisia bloom?
Rocky Artemisia typically blooms in early summer through mid-summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Rocky Artemisia need full sun?
Rocky Artemisia does best in full sun (6+ hours).
Is Rocky Artemisia drought tolerant?
Yes — once established (usually after the first full season), Rocky Artemisia handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Artemisia to compare
Artemisia Silver Lining
Artemisia x hybrida 'Silver Lining'
Beach Wormwood
Artemisia stelleriana 'Silver Brocade'
Silver Mound Wormwood
Artemisia schmidtiana 'Silver Mound'
Silver King Artemisia
Artemisia ludoviciana 'Silver King'
Silver Mound Artemisia
Artemisia schmidtiana 'Nana'
Versicolor Wormwood
Artemisia versicolor
Keep exploring
Explore the genus
Grow Rocky Artemisia with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.