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Genus of about 30 species (and some 20,000 cultivars predominantly derived from D. pinnata and D. coccinea) of bushy, usually tuberous-rooted perennials from mountainous areas of Mexico and Central America.
Late-flowering so provide colour when other flowers are past their best.
Single varieties attract insects.
Herbaceous - Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
Tuberous - tuberous perennials
Additional Features - Good to know - late-flowering deadhead regularly to prolong flowering. Wildlife plant (single forms) - insects.
To buy small dahlia cuttings or to learn more about dahlias, visit the National Dahlia Collection
Pests & Diseases - slugs, earwigs, caterpillars. Prone to powdery mildew, mosaic virus.
Place of origin - Mexico, Central America
Soil Conditions - Fertile well drained soil - humus-rich.
- Dividing Herbaceous Perennials - Video Tip ondemand_video
- Spring Planting Osteospermums - Video Tip ondemand_video
- Dividing Summer Perennials - Video Tip ondemand_video
- Dividing summer flowering Hemerocallis - Video Tip ondemand_video
- Supporting Plants - Video Tip ondemand_video
- Dead heading meconopsis - Video Tip ondemand_video
- Dead heading Delphiniums - Video Tip ondemand_video
- Feeding herbaceous peonies - Video Tip ondemand_video