Lathyrus Species, Flat Pea, Flat Peavine, Narrow-leaved Everlasting Pea

Lathyrussylvestris

Family
Fabaceae (fab-AY-see-ee)
Genus
Lathyrus (LAY-thy-russ)
Species
sylvestris (sil-VESS-triss)
Synonym
Lathyrus heterophyllus
Lathyrus platyphyllus
Lathyrus silvestris
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Smooth
Height
6-8 ft. (1.8-2.4 m)
Spacing
36-48 in. (90-120 cm)
Hardiness
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
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)
Danger
Seed is poisonous if ingested
All parts of plant are poisonous if ingested
Bloom Color
Pink
Bloom Time
Mid Summer
Other Details
Category
Perennials
Vines and Climbers
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Flowers are fragrant
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Hallstead, Pennsylvania

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Gardener's Notes:

0
positive
0
neutral
0
negative
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