Species
Primula x polyanthaPolyanthus7 other cultivars
The Story
Plant Bio
Primula x polyantha 'Spring Sun' is a compact perennial with bright, cheerful flowers and lush, rosette-forming foliage, blooming in early spring with a profusion of colorful blooms.
This cultivar is distinguished by its vibrant, sunny-colored flowers that create a striking display and its ability to thrive in shaded garden areas with moist, well-drained soil.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
8 inches
Width
10 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8
Water
Requires consistently moist soil
Humidity
Prefers high humidity environments
Lifespan
Perennial
Native To
Hybrid origin
Toxicity
Skin irritation may occur
Bloom period
Early spring – Mid-spring
In flower about 2 months of the year
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds or divisions into moist soil in early spring
- Water regularly to keep soil consistently moist
- Fertilize with a balanced, water-soluble fertilizer monthly
- Mulch to retain soil moisture and suppress weeds
- Pinch back dead flowers to encourage reblooming
- Divide every 2–3 years in early spring or fall
Pro Tip
Ensure soil remains moist and well-drained for best growth
Keep It Thriving
Care Guide
Do
- Water consistently to keep soil moist
- Apply fertilizer monthly during active growth
- Mulch to retain moisture and regulate soil temperature
- Deadhead spent flowers for prolonged blooming
- Divide every 2–3 years to rejuvenate
Don't
- Allow soil to dry out completely ❌
- Over-fertilize which can cause legginess
- Neglect watering during dry spells 🌱
- Ignore dead or diseased leaves
- Plant in full sun in hot climates ❌
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Mulch | ||||||||||||
| Plant |
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
Spring Sun Polyanthus Primrose questions
What zones can Spring Sun Polyanthus Primrose grow in?
Spring Sun Polyanthus Primrose is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Spring Sun Polyanthus Primrose deer resistant?
Yes — Spring Sun Polyanthus Primrose is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Spring Sun Polyanthus Primrose bloom?
Spring Sun Polyanthus Primrose typically blooms in early spring through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Spring Sun Polyanthus Primrose need full sun?
Spring Sun Polyanthus Primrose does best in part shade.
More Primula to compare
Pacific Hybrids Primrose
Primula x polyantha 'Pacific Hybrids'
Primula Crescendo Mix
Primula x polyantha 'Crescendo Mix'
Belarina Pink Ice Primrose
Primula vulgaris 'Belarina Pink Ice'
Bulley's Primrose
Primula bulleyana
Amethyst Ice Primrose
Primula vulgaris 'Belarina Amethyst Ice'
Belarina Cream Primrose
Primula veris 'Belarina Cream'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Spring Sun Polyanthus Primrose 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.