Species
Acorus gramineusJapanese Sweet Flag8 other cultivars
‘Wogon’Golden Japanese Sweet Flag
‘Pusillus’Pusillus Dwarf Sweet Flag
‘Hakuro Nishiki’Variegated Japanese Sweet Flag
‘Licorice’Licorice Japanese Sweet Flag
‘Ogon’Japanese Sweet Flag Ogon
‘Yodonoyuki’Yodonoyuki Japanese Sweet Flag
‘Masamune’Masamune Japanese Sweet Flag
‘Oborozuki’Oborozuki Japanese Sweet Flag
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.
Uses & Benefits:
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
Bloom period
Early summer – Mid-summer
In flower about 2 months of the year
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
Multiply
Propagation Methods
Good to Know
Common Questions
Minimus Aureus Dwarf Sweet Flag questions
What zones can Minimus Aureus Dwarf Sweet Flag grow in?
Minimus Aureus 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 Minimus Aureus Dwarf Sweet Flag deer resistant?
Yes — Minimus Aureus Dwarf Sweet Flag is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Minimus Aureus Dwarf Sweet Flag bloom?
Minimus Aureus 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 Minimus Aureus Dwarf Sweet Flag need full sun?
Minimus Aureus Dwarf Sweet Flag does best in part shade.
Is Minimus Aureus Dwarf Sweet Flag drought tolerant?
Yes — once established (usually after the first full season), Minimus Aureus 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
Golden Japanese Sweet Flag
Acorus gramineus 'Wogon'
Variegated Sweet Flag
Acorus calamus 'Golden Variegated'
Pusillus Dwarf Sweet Flag
Acorus gramineus 'Pusillus'
Variegated Japanese Sweet Flag
Acorus gramineus 'Hakuro Nishiki'
Variegatus Variegated Sweet Flag
Acorus calamus 'Variegatus'
Licorice Japanese Sweet Flag
Acorus gramineus 'Licorice'
Keep exploring
Explore the genus
Grow Minimus Aureus Dwarf Sweet Flag 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.