Species
Lathyrus odoratusSweet Pea15 other cultivars
‘Cupani’Cupani Sweet Pea
‘Painted Lady’Painted Lady Sweet Pea
‘High Society’Sweet Pea 'High Society'
‘Nuance’Nuance Sweet Pea
‘Nimbus’Nimbus Sweet Pea
‘Sugar Magnolia’Sugar Magnolia Sweet Pea
‘Almost Black’Almost Black Sweet Pea
‘Enchante’Enchanted Sweet Pea
‘April in Paris’Sweet Pea 'April in Paris'
‘Black Knight’Sweet Pea 'Black Knight'
‘Blue Vein’Blue Veined Sweet Pea
‘Mrs Collier’Mrs. Collier Sweet Pea
‘Streamers Chocolate’Chocolate Streamers Sweet Pea
‘Wiltshire Ripple’Wiltshire Ripple Sweet Pea
‘Prince of Orange’Prince of Orange Sweet Pea
The Story
Plant Bio
Pulsar is a highly regarded cultivar of sweet pea known for its large, richly colored flowers.
This cultivar has a particularly sweet fragrance and vigorous growth habit.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Annual
Height
72 inches
Width
12 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9, 10
Water
Moderate
Humidity
Average
Lifespan
Annual
Native To
Mediterranean region
Toxicity
Seeds are toxic if ingested
Planting
How to Grow
- Tuck seeds into moist soil in early spring for best germination.
- Mist cuttings regularly to maintain humidity and promote rooting.
- Provide a trellis or support for climbing growth during early growth stages.
- Water consistently, keeping soil evenly moist but not waterlogged.
- Apply a balanced fertilizer every 4-6 weeks during the growing season.
- Prune after flowering to encourage bushier growth and more blooms.
Pro Tip
Use organic compost to enrich soil and promote vibrant flowering.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Provide full sun for optimal blooming
- Support climbing stems with trellises
- Apply organic mulch to retain moisture
Don't
- Avoid overwatering to prevent root rot ❌
- Do not neglect support structures
- Avoid fertilizing late in the season
- Do not let soil dry out completely
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Harvest | ||||||||||||
| Pinch | ||||||||||||
| Plant | ||||||||||||
| Stake |
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
Pulsar Sweet Pea questions
What zones can Pulsar Sweet Pea grow in?
Pulsar Sweet Pea is hardy in USDA Zones 4–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Pulsar Sweet Pea deer resistant?
Yes — Pulsar Sweet Pea is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Pulsar Sweet Pea bloom?
Pulsar Sweet Pea typically blooms in spring to summer through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Pulsar Sweet Pea need full sun?
Pulsar Sweet Pea does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Lathyrus to compare
Cupani Sweet Pea
Lathyrus odoratus 'Cupani'
Erewhon Sweet Pea
Lathyrus x belinensis 'Erewhon'
Sweet Pea
Lathyrus odoratus
Painted Lady Sweet Pea
Lathyrus odoratus 'Painted Lady'
Sweet Pea 'High Society'
Lathyrus odoratus 'High Society'
Nuance Sweet Pea
Lathyrus odoratus 'Nuance'
Keep exploring
Explore the genus
Grow Pulsar Sweet 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.