PatternBaseRed Dahlia
Dahlia coccinea, Asteraceae
Zones
8–11
Lifespan
Perennial
Growth
Fast
Growing Conditions
Sun
Full Sun (optimal)
Water
Moderate
Soil pH
6 – 7.5
Tolerances
Drought
Frost
Heat
Pest Resistance
Disease Resist.
Companion Plants
Antagonistic Plants
Mountain CornflowerCentaurea montana
Potential root competition and possible allelopathic interactions in dense plantings, especially in water-limited Mediterranean conditions
Tree DahliaDahlia imperialisTree dahlia's massive size overwhelms smaller dahlia species through light blocking and root competition
Common Questions
What zones does Red Dahlia grow in?
Red Dahlia grows in USDA hardiness zones 8 through 11.
What are good companion plants for Red Dahlia?
Good companions for Red Dahlia include Swan River Daisy.
Design guilds with Red Dahlia and see companion relationships visually.
Try PatternBase free