
Butter Yellow Hummingbird Mint
Agastache aequinoctialis 'Butter Yellow'
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
6, 7, 8, 9
Water
Low to moderate
Humidity
Average
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic
The Story
Plant Bio
Agastache aequinoctialis 'Butter Yellow' is known for its tall, erect habit and bright yellow flower spikes that are highly attractive to pollinators. This cultivar features particularly vibrant yellow flowers and a more drought-tolerant nature compared to other Agastache varieties.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds about 1/4 inch deep into well-draining soil.
- Mist cuttings regularly to maintain humidity and encourage rooting.
- Transplant seedlings when they have 2-3 sets of true leaves, after last frost.
- Space plants 12-18 inches apart in full sun for optimal growth.
- Water deeply once a week during dry spells, especially in summer.
- Mulch around plants to retain moisture and suppress weeds.
Pro Tip
Plant in full sun with well-draining soil; avoid overwatering to prevent root rot.
Keep It Thriving
Care Guide
Do
- Water consistently during dry periods 🌱
- Prune after flowering to encourage bushier growth
- Apply organic mulch to conserve moisture and suppress weeds
Don't
- Avoid overwatering which can cause root rot ❌
- Don’t fertilize excessively; too much nitrogen can reduce flowering
- Never plant in poorly drained soil
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| 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
Butter Yellow Hummingbird Mint questions
What zones can Butter Yellow Hummingbird Mint grow in?
Butter Yellow Hummingbird Mint is hardy in USDA Zones 6–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Butter Yellow Hummingbird Mint deer resistant?
Yes — Butter Yellow Hummingbird Mint is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Butter Yellow Hummingbird Mint bloom?
Butter Yellow Hummingbird Mint 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 Butter Yellow Hummingbird Mint need full sun?
Butter Yellow Hummingbird Mint does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Butter Yellow Hummingbird Mint drought tolerant?
Yes — once established (usually after the first full season), Butter Yellow Hummingbird Mint handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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