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Annuals > Tagetes > Tagetes tenuifolia > Tagetes tenuifolia

Tagetes tenuifolia


Signet Marigold, Striped Mexican Marigold




Origin:  Central Mexico to Columbia.
Family
Compositae
Genus
Tagetes
Species
tenuifolia
Category
Annuals
USDA Hardiness Zone
9
Canadian Hardiness Zone
Requires cool season protection under glass
RHS Hardiness Zone
H4 - H3
Temperature (°C)
-7 to -1
Temperature (°F)
20 - 30
Height
30 - 80 cm
Photographs
Description and Growing Information
Flowering Period
JuneJulyAugust
Landscape
Excellent for flower beds and planters.
Cultivation
Grow in full sun in any moderately fertile and well-drained soil, deadheading to prolong blooming.
Pests
No serious pest or disease problems.
Habitat
Horticultural origin.
Bark/Stem Description
Stems are terete, and barely to extremely branched above.
Leaf Description
Leaves are pinnate, with 13 - 23 segments of 1 - 2 cm, very narrowly lanceolate and toothed.
Flower Description
Flowers appear in ray florets of 7 - 8 mm, with few yellow flowers. The number of florets varies greatly between individuals.
Fruit Description
Fruit is to 7 mm with bristle-like hairs.
Notable Specimens
Royal Botanical Gardens, Burlington, Ontario, Canada.
Propagation
Propagate through seed sown in situ in spring. Plants begin to bloom 12 - 14 weeks later.
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