Rosie Posie Anise Hyssop
Agastache foeniculum 'Rosie Posie'
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
18 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8
Water
Low to moderate
Humidity
Average
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic
The Story
Plant Bio
Agastache foeniculum 'Rosie Posie' is a perennial herbaceous plant known for its aromatic leaves and tall flower spikes. The 'Rosie Posie' cultivar features vibrant pink flowers and a compact growth habit, making it an attractive choice for gardens.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into well-draining soil in early spring for best germination.
- Mist cuttings lightly and keep soil moist until roots develop, about 4-6 weeks.
- Plant seedlings in full sun and space 12-18 inches apart for airflow.
- Water regularly during dry spells, especially in the first growing season.
- Apply a balanced fertilizer in spring to promote healthy growth.
- Mulch around plants to retain moisture and suppress weeds.
Pro Tip
Ensure excellent drainage to prevent root rot and promote vigorous growth.
Keep It Thriving
Care Guide
Do
- Water deeply but infrequently to encourage deep roots 🌱
- Prune after flowering to maintain shape and promote new growth
- Fertilize with organic compost in early spring
- Provide full sun for optimal blooming
Don't
- Avoid overwatering, which can cause root rot ❌
- Don't plant in heavy clay soil without improved drainage
- Refrain from excessive fertilization that can lead to legginess
- Never ignore pest signs early
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Pest Check | ||||||||||||
| Prune | ||||||||||||
| Winter Prep |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Rosie Posie Anise Hyssop questions
What zones can Rosie Posie Anise Hyssop grow in?
Rosie Posie Anise Hyssop is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Rosie Posie Anise Hyssop deer resistant?
Yes — Rosie Posie Anise Hyssop is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Rosie Posie Anise Hyssop bloom?
Rosie Posie Anise Hyssop typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Rosie Posie Anise Hyssop need full sun?
Rosie Posie Anise Hyssop does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Rosie Posie Anise Hyssop drought tolerant?
Yes — once established (usually after the first full season), Rosie Posie Anise Hyssop handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Agastache to compare
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Kudos Ambrosia Anise Hyssop
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Anise Hyssop
Agastache foeniculum 'Poquito Butter Yellow'
Anise Hyssop
Agastache foeniculum
Keep exploring
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See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
