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

Featured
Garden Jumping Spider
(Opisthoncus parcedentatus)
Lesser Goldfinch
(Spinus psaltria)
Featured
Garden Jumping Spider
(Opisthoncus parcedentatus)
Lesser Goldfinch
(Spinus psaltria)