Solanum Species, Buffalo Bur, Buffalobur Nightshade, Colorado Bur, Kansas Thistle, Mexican Thistle
Solanumangustifolium

Synonym:Solanum rostratum

Category
Annuals

Water Requirements

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Herbaceous
Veined

Foliage Color
Bronze
Blue-Green

Height
12-18 in. (30-45 cm)

Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Hardiness
Not Applicable

Where to Grow

Danger
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color
Bright Yellow

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Late Fall/Early Winter

Other details
May be a noxious weed or invasive

Soil pH requirements

Patent Information
Non-patented

Propagation Methods
From seed; direct sow after last frost

Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Wear gloves to protect hands when handling seeds