Rayless Green-Thread
Thelespermamegapotamicum

Family: Asteraceae (ass-ter-AY-see-ee)
Genus: Thelesperma (thel-uh-SPER-muh)
Species: megapotamicum (meg-uh-poh-TAM-ih-kum)

Category
Herbs
Perennials

Water Requirements
Drought-tolerant; suitable for xeriscaping

Sun Exposure
Full Sun

Foliage

Foliage Color

Height
24-36 in. (60-90 cm)

Spacing

Hardiness

Where to Grow

Danger

Bloom Color
Bright Yellow

Bloom Characteristics

Bloom Size

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

Other details

Soil pH requirements

Patent Information

Propagation Methods
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors
From seed; direct sow after last frost
From seed; germinate in a damp paper towel
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored