Perennials -
Diascia
Diascias are
extremely popular, cottage garden, summer-flowering perennials.
They're generally small with vertical spikes of tiny flowers that
add a colorful, carefree touch in shades of mauve, pink and
orange. Diascias have a long flowering season, are
disease-free, easy to propagate, and flower prolifically without
any pampering. Diascias tend to be short spreaders. They
were traditionally used in rock gardens, but are more successfully
grown near the front of a mixed border, where they can fill
spaces. Diascias love inching over a top surface of gravel.
Planted densely, most make excellent ground cover in full sun,
although you can never be certain they'll survive winter.
Diascias like free-draining soil (limy, neutral or acid) and,
although they tolerate poor conditions, will flower better and
spread more confidently if the ground has a crumbly structure.
Good sun is vital.
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