Category
Annuals
Vines and Climbers
Height
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
Spacing
15-18 in. (38-45 cm)
Hardiness
Not Applicable
Sun Exposure
Sun to Partial Shade
Light Shade
Danger
Parts of plant are poisonous if ingested
Bloom Color
Dark Purple/Black
Bloom Time
Mid Summer
Late Summer/Early Fall
| Foliage
Herbaceous
Shiny/Glossy-Textured
Other details
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season
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; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost
From seed; germinate in a damp paper towel
Scarify seed before sowing
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
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