1 named cultivar
The Story
Plant Bio
Laburnum x is a deciduous tree known for its beautiful, cascading clusters of yellow flowers in late spring.
This hybrid often displays more vigorous growth and better hardiness compared to other Laburnum species.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Tree
Height
240 inches
Width
180 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7
Water
Moderate
Humidity
Average
Lifespan
Decades
Native To
Of garden origin
Toxicity
High
Planting
How to Grow
- Select a sunny location with well-draining soil for planting.
- Tuck seeds or young plants into the soil, ensuring proper depth and spacing.
- Water thoroughly after planting to settle the soil around roots.
- Mist cuttings regularly to maintain humidity and encourage rooting.
- Fertilize every spring with a balanced, slow-release fertilizer.
- Prune after flowering to maintain shape and promote healthy growth.
Pro Tip
Use organic compost to enrich the soil and promote vibrant blooms.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 🌱
- Prune after flowering to shape the shrub
- Fertilize annually in spring
- Mulch to retain soil moisture
Don't
- Overwater to avoid root rot ❌
- Prune in late fall or winter ❌
- Use heavy fertilizers that can burn roots ❌
- Plant in shady areas
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Pest Check | ||||||||||||
| Plant | ||||||||||||
| 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
Hybrid Laburnum questions
What zones can Hybrid Laburnum grow in?
Hybrid Laburnum is hardy in USDA Zones 5–7. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Hybrid Laburnum deer resistant?
Yes — Hybrid Laburnum is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Hybrid Laburnum bloom?
Hybrid Laburnum typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Hybrid Laburnum need full sun?
Hybrid Laburnum does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Laburnum to compare
Keep exploring
Explore the genus
Hardy in your zone?
Grow Hybrid Laburnum 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.