Clavel De Muerto

Tithonia rotundifolia

Native to:
Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panamá
Clavel De Muerto

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Tithonia
Species:
Tithonia rotundifolia
USDA Symbol:
TIRO

Growth Characteristics

Life Cycle:
Annual | Perennial
Growth Habit:
Forb/herb
Height:
180 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
orange, red, yellow

Reported Fauna Sightings

Bees: Brown-belted bumble (Bombus griseocollis), Southern plains bumble bee (Bombus fraternus) Butterflies:Black Swallowtail (Papilio polyxenes), Eastern Tiger Swallowtail (Papilio glaucus), Julia butterfly (Dione vanillae), ⚠️Monarch butterfly (Danaus plexippus), Painted Lady (Vanessa cardui)

Garden & Ecology Notes

Wildlife Value:
butterflies, bees, hummingbirds, birds
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in nutrient-rich environments

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily with warmth (70-75°F). Surface sow or barely cover; light may improve germination.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Requires light / surface sow (fine seed).

Source: Ontario Rock Garden & Hardy Plant Society