The Story
Plant Bio
Lysimachia congestiflora 'Outback Sunset' is a low-growing perennial with dense, bushy foliage and clusters of small, bright yellow flowers that bloom in summer, creating a vibrant ground cover.
This cultivar is distinguished by its striking, variegated foliage of green, cream, and rose-pink, which provides color all season long. It has a low, mounding habit perfect for containers and groundcover.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Groundcover
Height
12 inches
Width
18 inches
Light
Full Sun, Partial Sun
Zones
6, 7, 8, 9, 10
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
China
Toxicity
Non-toxic to humans and pets
Bloom period
Mid-summer – Late summer
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds into moist soil in early spring.
- Water regularly to keep soil evenly moist.
- Provide partial shade during hottest months.
- Fertilize monthly with balanced fertilizer.
- Mulch to retain soil moisture and suppress weeds.
- Prune lightly after flowering to maintain shape.
Pro Tip
Ensure well-drained soil and moderate watering for best results.
Keep It Thriving
Care Guide
Do
- Water consistently to keep soil moist 🌱
- Prune after flowering to promote bushiness
- Mulch to conserve moisture
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t expose to prolonged drought conditions
- Refrain from heavy fertilization that can cause legginess
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Pest Check | ||||||||||||
| 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
Outback Sunset Loosestrife questions
What zones can Outback Sunset Loosestrife grow in?
Outback Sunset Loosestrife 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 Outback Sunset Loosestrife deer resistant?
Yes — Outback Sunset Loosestrife is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Outback Sunset Loosestrife bloom?
Outback Sunset Loosestrife 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 Outback Sunset Loosestrife need full sun?
Outback Sunset Loosestrife does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Lysimachia to compare

Golden Creeping Jenny
Lysimachia aurea

Creeping Jenny
Lysimachia nummularia 'Creeping Lily Turf'

Golden Moneywort
Lysimachia nummularia 'Aurea'

Goldilocks Golden Creeping Jenny
Lysimachia nummularia 'Goldilocks'

Miniature Creeping Jenny
Lysimachia japonica 'Minutissima'

Yellow Loosestrife
Lysimachia punctata
Keep exploring
Explore the genus
Hardy in your zone?
Grow Outback Sunset Loosestrife 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.




