Pinnate Dahlia

Dahlia pinnata

Native to:
Mexico

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Dahlia
Species:
Dahlia pinnata
USDA Symbol:
DAPI3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
150 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug,sep,oct
Bloom Colors:
red, orange, yellow, pink, purple, white

Host Plant for Caterpillars

Achatodes zeae, Alfalfa Looper (Autographa californica), Burdock Borer (Papaipema cataphracta), corn earworm (Helicoverpa zea), European corn borer (Ostrinia nubilalis), Fall armyworm (Spodoptera frugiperda), rosy rustic (Hydraecia micacea), Saddleback Caterpillar Moth (Acharia stimulea), Salt Marsh Moth (Estigmene acrea), stalk borer moth (Papaipema nebris), Virginia Tiger Moth (Spilosoma virginica)

Reported Fauna Sightings

Bees: Yellow bumble bee (Bombus fervidus)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to upland regions with volcanic soil

Propagation & Germination

Germination Time:
5–14 days
Notes:
Seeds germinate readily at 18-21°C in moist soil.