Twinspur
Diascia barberae. SCROPHULARIACEAE.
Planting and Growing Twinspur
You’ll find everything you need to know to plant and grow twinspur in the accompanying table’s tabs:
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- Flowers, foliage, and root structure of twinspur
- Plant hardiness and growing conditions for twinspur
- Season of bloom and planting time for twinspur
- When, how deep, and where to plant twinspur
- How to plant twinspur
- Watering, fertilizing, care, and pests or diseases of twinspur
- Landscape and container uses of twinspur
- Comments about twinspur and its features
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Growing Twinspur
Many cultivars of erect, spreading annual herbs, to 1 ft. (30 cm) tall and 18 in. (45 cm) wide. Opposite, textured, green, oval, pointed, toothed leaves, to 1-1/2-in. (38-mm) long, along lower portion of stalk.
Common cultivars include Diascia barberae ‘Blackthorn Apricot’ and ‘Pink Queen’.
Another plant commonly named Twinspur, Diascia vigilis, is a close relative with similar care needs.
Planting and Care Guide
Blooms
Many peach, pink, rose, flared flowers, to 1/2-in. (12-mm) wide, with twin spurs or horns protruding from back of petals, in vertical, spiking clusters, in summer–late autumn.
Best Climates
Self-seeding, zones 7–9.
Soil Type and Fertility
Moist, well-drained soil. Fertility: Rich. 6.5–7.5 pH.
Where and How to Plant
Spring in full sun to partial shade, 6 in. (15 cm) apart, after frost hazard has passed. Start seed indoors 6–8 weeks before final frost for early blooms; transplant when soil warms.
Proper Care
Easy. Keep moist; allow soil surface to dry between waterings. Fertilize monthly. Prune spent stalks to promote repeat bloom. Propagate by seed.
About This Plant
Good choice for borders, containers in cottage, rock gardens. Attracts bees. Pest and disease resistant.