White and yellow forms are available with flowers appearing in mid-June to July. By pairing varieties together, it’s possible to make stunning combinations in both borders and pots, says Clark.

Science teacher Amandine Hall’s fascination with dahlias bloomed into an obsession. The result is a dazzling display of ...

If you're growing dahlias in patio pots, use a Best Buy compost for containers and mix in a Best Buy controlled-release feed. OVERALL RATING The more stars the better. Ignores price and is based on: ...

Dahlias must be planted after the risk of frost ... typically dwarf varieties with smaller flowers, perfect for containers and also usually treated as annuals; and foliage begonias, prized for ...