
Dwarf Sweet Flag
Acorus gramineus 'Minimus Aureus'
Essentials
At a Glance
Plant Type
Perennial
Height
6 inches
Width
12 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8, 9
Water
Moist to wet soil
Humidity
Prefers humid environments
Lifespan
Perennial
Native To
Asia
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Acorus gramineus 'Minimus Aureus' is a compact, grass-like perennial with bright yellow, narrow foliage that forms dense clumps, and produces small, inconspicuous flowers on slender stems. This cultivar is distinguished by its vivid golden-yellow foliage, making it an excellent choice for low-maintenance, ornamental ground cover in shaded or moist garden areas.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck rhizomes or divisions into moist soil in spring.
- Water regularly to keep soil moist, especially during dry spells.
- Mist foliage occasionally to increase humidity.
- Fertilize with a balanced liquid fertilizer in spring.
- Mulch around plants to retain moisture and suppress weeds.
- Divide plants every 2-3 years in early spring for best vigor.
Pro Tip
Ensure consistent moisture for healthy growth and vibrant foliage.
Keep It Thriving
Care Guide
Do
- Keep soil consistently moist to prevent stress 🌱
- Mulch to retain soil moisture and suppress weeds
- Divide every 2-3 years to maintain health
Don't
- Avoid letting soil dry out completely ❌
- Do not fertilize with high nitrogen in late season
- Avoid placing in full sun which can scorch foliage
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Spring Cleanup |
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
Dwarf Sweet Flag questions
What zones can Dwarf Sweet Flag grow in?
Dwarf Sweet Flag 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 Dwarf Sweet Flag deer resistant?
Yes — Dwarf Sweet Flag is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Dwarf Sweet Flag bloom?
Dwarf Sweet Flag 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 Dwarf Sweet Flag need full sun?
Dwarf Sweet Flag does best in part shade.
Is Dwarf Sweet Flag drought tolerant?
Yes — once established (usually after the first full season), Dwarf Sweet Flag handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Acorus to compare

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Acorus gramineus 'Wogon'

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Acorus calamus 'Golden Variegated'

Licorice Japanese Sweet Flag
Acorus gramineus 'Licorice'

Variegated Japanese Sweet Flag
Acorus gramineus 'Hakuro Nishiki'

Dwarf Sweet Flag
Acorus gramineus 'Pusillus'

Variegated Sweet Flag
Acorus calamus 'Variegatus'
