Dahlia: How to Plant Tubers and Get Summer Blooms
Flowers

Dahlia: How to Plant Tubers and Get Summer Blooms

Dahlia pinnata

Growing dahlias: tuberous plants with spectacular summer to autumn flowers. Full sun, fertile soil, endless shapes and colours available.

Characteristics

Scientific nameDahlia pinnata
Height60-180 cm
Sunlightpieno sole
Watermedia
Soilfertile drenante
Toxicitynon tossica
Growthmedia
Temperature0-30 °C
FloweringJul, Aug, Sep, Oct
IrrigationWater 2-3 times a week in summer, especially during blooming: dahlias love consistent moisture.

The dahlia is a tuberous plant native to Mexico, beloved for its spectacular flowers blooming from July to October in countless forms and colours. It grows vigorously in full sun on fertile, well-drained soil. Tubers are planted in spring and must be protected from winter frost.

Flowering season

JanFebMarAprMayJunJulAugSepOctNovDec

Practical tips

Watering

Water needs: media — always check soil moisture before watering.

Position

Prefers pieno sole: provide the right light and rotate the plant for even growth.

Substrate

Recommended soil: fertile drenante. Refresh the substrate every 1-2 years.

Leaves

Dust the leaves with a damp cloth to support photosynthesis.

Feeding

Feed during the growing season (spring-summer) and stop in winter.

FAQ

When should I plant dahlia tubers?
Plant tubers between April and May, after the last frosts, at 10 cm deep in full sun. Flowering starts 2-3 months later, between July and August.
How do you store dahlia tubers in winter?
Dig them up after the first frosts, clean the soil off, dry for 1 week and store in boxes with sawdust or peat in a cool dry place (5-10 °C).

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