Tagetes tenuifolia
Signet Marigold, Striped Mexican Marigold
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 |
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. |