Species
Lathyrus odoratusSweet Pea15 other cultivars
‘Pulsar’Pulsar Sweet Pea
‘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'
‘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
Lathyrus odoratus, commonly known as sweet pea, is known for its fragrant flowers and climbing habit.
The 'Blue Vein' cultivar features unique blue-veined white flowers that add beautiful contrast in the garden.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
72 inches
Width
18 inches
Light
Full Sun, Partial Sun
Water
Moderate
Humidity
Moderate
Lifespan
Annual
Native To
Mediterranean region
Toxicity
Seeds are toxic if ingested
Bloom period
Late spring – Early summer
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds into moist soil in early spring for best germination.
- Mist cuttings regularly to maintain humidity and promote root growth.
- Provide a trellis or support for climbing growth during early growth stages.
- Water deeply once a week, avoiding waterlogging for healthy roots.
- Fertilize monthly with a balanced liquid fertilizer during the growing season.
- Pinch back the tips to encourage bushier growth and more flowers.
Pro Tip
Use well-draining, fertile soil and provide full sun for abundant blooms.
Keep It Thriving
Care Guide
Do
- Water regularly, keeping soil moist but not soggy 🌱
- Prune after flowering to promote new growth
- Support climbing varieties with trellises
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t forget to deadhead spent flowers to encourage more blooms
- Keep away from overly shaded areas
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| 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
Blue Veined Sweet Pea questions
Is Blue Veined Sweet Pea deer resistant?
Not reliably. Deer may browse Blue Veined Sweet Pea, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Blue Veined Sweet Pea bloom?
Blue Veined Sweet Pea 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 Blue Veined Sweet Pea need full sun?
Blue Veined Sweet Pea does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Lathyrus to compare
Pulsar Sweet Pea
Lathyrus odoratus 'Pulsar'
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'
Keep exploring
Explore the genus
Grow Blue Veined 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.