The Story
Plant Bio
Daviesia ulicifolia, the gorse bitter-pea, is a rigid, spinescent evergreen shrub native to Australia that features sharply pointed, interlaced branchlets. The foliage consists of stiff, flattened green stems called phyllodes rather than true leaves, arranged at sharp angles along the branches.
In late winter and spring, the shrub produces small, yellow-and-red pea-like flowers in the leaf axils, followed by flat seed pods. Its dense, prickly habit makes it an exceptional defensive barrier and a secure nesting site for small birds.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Shrub
Height
60"
Width
60"
Light
Full Sun, Partial Sun
Zones
8, 9, 10
Water
Low
Humidity
Moderate
Lifespan
Moderate
Native To
Australia
Toxicity
Skin Irritant
Bloom period
Late winter – Early summer
In flower about 5 months of the year
Planting
How to Grow
- Select a planting site in full sun to partial shade with excellent drainage, such as a raised bed or sloped area.
- Dig a hole twice as wide as the root ball but no deeper, ensuring the plant sits at the same level as it did in the pot.
- Backfill with native soil without adding organic amendments, pressing firmly to remove air pockets.
- Water sparingly during the establishment phase, then reduce watering to a minimum once the root system is established.
Pro Tip
Plant this shrub well away from garden paths to avoid painful punctures from the needle-sharp phyllodes, and never overwater, as stagnant soil rapidly triggers fatal root rot.
Keep It Thriving
Care Guide
Do
- Plant in highly permeable, well-drained soil to prevent root rot.
- Use a low-phosphorus, native-formulated fertilizer if growth appears sluggish.
- Wear thick leather gloves when handling the plant to protect against sharp spines.
Don't
- Do not overwater or plant in low-lying areas where water accumulates.
- Do not prune heavily into old, leafless wood, as the plant will fail to regenerate.
- Do not apply standard high-phosphorus fertilizers.
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Pest Check | ||||||||||||
| Prune |
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
Gorse Bitter-pea questions
What zones can Gorse Bitter-pea grow in?
Gorse Bitter-pea is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
When does Gorse Bitter-pea bloom?
Gorse Bitter-pea typically blooms in late winter through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Gorse Bitter-pea need full sun?
Gorse Bitter-pea does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Gorse Bitter-pea drought tolerant?
Yes — once established (usually after the first full season), Gorse Bitter-pea handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
Keep exploring
Explore the genus
Hardy in your zone?
Grow Gorse Bitter-pea 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.