Sugar Magnolia Sweet Pea
Lathyrus odoratus 'Sugar Magnolia'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
60 inches
Width
12 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8
Water
Moderate
Humidity
Average to high
Lifespan
Perennial (often grown as annual)
Native To
Mediterranean region
Toxicity
Toxic to pets if ingested
The Story
Plant Bio
Sugar Magnolia is known for its stunning pink and purple sweet pea-like flowers that are very fragrant. This cultivar is unique for its enhanced color variety and pronounced fragrance compared to other Lathyrus odoratus varieties.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into well-draining soil in early spring.
- Mist cuttings with water to encourage root growth, keep moist.
- Provide support with trellises or fences for climbing habit.
- Water regularly, especially during dry spells, for optimal growth.
- Fertilize monthly with balanced, water-soluble fertilizer.
- Prune after flowering to promote bushy growth and remove dead stems.
Pro Tip
Plant in a sunny location with rich, well-draining soil for best blooms.
Keep It Thriving
Care Guide
Do
- Water consistently to keep soil moist but not waterlogged 🌱
- Provide sturdy supports for climbing vines
- Deadhead spent flowers to encourage more blooms
- Apply organic compost annually for healthy growth
Don't
- Avoid overwatering, which can cause root rot ❌
- Do not fertilize with high nitrogen fertilizers during flowering
- Keep plants in full sun, avoid shady spots
- Refrain from pruning in late fall to protect from winter damage
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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
Sugar Magnolia Sweet Pea questions
What zones can Sugar Magnolia Sweet Pea grow in?
Sugar Magnolia Sweet Pea is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Sugar Magnolia Sweet Pea deer resistant?
Not reliably. Deer may browse Sugar Magnolia Sweet Pea, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Sugar Magnolia Sweet Pea bloom?
Sugar Magnolia Sweet Pea typically blooms in mid-spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Sugar Magnolia Sweet Pea need full sun?
Sugar Magnolia 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'
Pulsar Sweet Pea
Lathyrus odoratus 'Pulsar'
Erewhon Sweet Pea
Lathyrus x belinensis 'Erewhon'
Sweet Pea
Lathyrus odoratus
Sweet Pea
Lathyrus odoratus 'Painted Lady'
Sweet Pea 'High Society'
Lathyrus odoratus 'High Society'
Keep exploring
Explore the genus
Collections featuring this plant
Hardy in your zone?
Grow Sugar Magnolia 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.
