Senecio Species, Arrowleaf Butterweed, Arrowleaf Groundsel, Arrowleaf Ragwort

Seneciotriangularis

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Senecio (sen-ek-ee-o )
Species
triangularis (try-an-gew-LAIR-iss)
Synonym
Senecio gibbonsii
Senecio triangularis var. angustifolius
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness
Bloom Color
Gold (yellow-orange)
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Alpines and Rock Gardens
Ponds and Aquatics
Water Requirements
Very high moisture needs; suitable for bogs and water gardens
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Regional

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Gardener's Notes:

1
positive
1
neutral
0
negative
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M
M
Benton, KY (Zone 7a) | February 2005 | neutral

Triangular or arrowhead-shaped leaves with many teeth or jagged edges on several leafy stems topped by yellow flower heads in a branched ...Read More

T
Piedmont, MO (Zone 6a) | August 2003 | positive

These cheerful blooms carpet the high mountain stream edges from Alaska to New Mexico and Southern California. They can be somewhat invas...Read More

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