Diascia vigilis 'Rupert Lambert'
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TWINSPUR
Family: Schrophulariaceae
Pronounced: die-ash-KEE-a vig-ILL-is
GROWING GUIDE
Geographic Origin:
Garden.
Plant Group:
Perennial.
Hardiness:
Sunset zones: 4-9, 14-24.
USDA zones: 8-9
Mature size:
Height: 10 inches (25 cm).
Width: 20 inches (50 cm).
Flowering period:
Summer to Autumn.
Flowering attributes:
Tall racemes of rosy-red flowers.
Leaf attributes:
Pointed, narrow ovate leaves.
Growth habit:
Mat forming.
Light:
Full sun.
Soil:
Fertile, moist, but well-drained soil.
Feeding:
Side dress with compost or manures in autumn. Fertilize in spring with a complete organic fertilizer.
Propagation Methods:
Semi-ripe cuttings in summer.
Pruning Methods:
Deadhead flowers for prolonged flower display.
Rainy Side Notes
Diascia comes from the Greek words di–two, and askos–a sac, and vigilis comes from the word vigil.
The species is the longest blooming of all the diascias and D. ‘Rupert Lambert’ follows their parents' example for being a long bloomer. A great addition to the summer garden, it will bloom for a longer period if deadheaded. I planted mine on the dark basalt rock wall that sets off the rose-pink flowers perfectly.
Debra Teachout-Teashon
Photographed in author's garden.
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