Lathyrus, Sweet Pea
Lathyrusodoratus 'Blue Danube'

Category
Annuals
Vines and Climbers

Water Requirements
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure
Sun to Partial Shade

Foliage

Foliage Color
Blue-Green

Height
8-10 ft. (2.4-3 m)

Spacing
6-9 in. (15-22 cm)

Hardiness
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Danger
Parts of plant are poisonous if ingested

Bloom Color
Medium Blue

Bloom Characteristics
Flowers are good for cutting
Flowers are fragrant

Bloom Size

Bloom Time
Mid Summer

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Scarify seed before sowing
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting
Allow pods to dry on plant; break open to collect seeds