Life Cycle
Perennial
Plant Characteristics
Large
Growth Habit
Bushy
Bloom Season
Summer to early autumn
Flavour Profile
N/A
Suitable for
Outdoor
Seed Type
Garden flower seeds
Plant Type
Ornamental
Planting Season
Spring
Fruit Size
N/A
Plant Height
60–120 cm
Light Requirement
Full sun
Water Needs
Moderate
Hardiness Zones
8–11
Container Garden
Suitable
Plant Spacing
30–45 cm
Planting Depth
1 cm
Growing Conditions
Well-drained soil
Frequently Asked Questions
Will dahlias grown from seed look the same each time?
Will dahlias grown from seed look the same each time?
No — seed-grown dahlias are open-pollinated hybrids, so bloom color, form, and height can vary plant to plant, unlike named tuber varieties.
Do seed-grown dahlias form tubers I can save?
Do seed-grown dahlias form tubers I can save?
Yes, by season's end they develop tubers underground that can be lifted, stored, and replanted, similar to tuber-propagated dahlias.
Why do dahlia blooms vary in shape from the same packet?
Why do dahlia blooms vary in shape from the same packet?
Because seeds are genetically mixed, you'll typically see a range of single, semi-double, and fully double flower forms in one batch.
Are dahlias good for cut flower arrangements?
Are dahlias good for cut flower arrangements?
Yes, their long stems and long-lasting blooms make dahlias a popular choice for fresh cut arrangements through summer and fall.
Do dahlias attract bees and butterflies?
Do dahlias attract bees and butterflies?
Open-centered dahlia blooms provide accessible pollen and nectar, making them attractive to bees, butterflies, and other pollinators.
Do dahlia plants need staking as they grow?
Do dahlia plants need staking as they grow?
Taller varieties often need staking once buds form, since heavy blooms can cause stems to bend or snap in wind.