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Cup Flower
Scientific Name: Nierembergia hippomanica ssp. violacea Miers
Family: Solanaceae
Cup Flower (Nierembergia  hippomanica ssp. violacea)
Nierembergia 'Purple Robe'
Recommended Temperature Zone:
sunset: 8-31
USDA: 9-10

Frost Tolerance: Hardy in Phoenix

Heat Tolerance: Resistant, with sufficient water, will bloom all the summer.

Sun Exposure: Full sun to light shade

Origin: South America

Growth Habits: Perennial to 10 inches tall (25 cm)

Watering Needs: Regular water, but fairly drought resistant

Propagation: Seeds, will self seed

The Nierembergia forms a dense mat of rich purple or white, cup shaped flowers. It is heat and drought resistant, and will bloom all the summer in Phoenix if watered regularly. It is a good plant for a piece of bad soil, under a tree or other difficult situations.

Cup Flower (Nierembergia  hippomanica ssp. violacea)

Blooming Habits:
The Nierembergia blooms pretty much all year in Phoenix, with more flowers in March to October. The paper-like flowers are either purple or white.

Fruiting Habits:

Sow indoor at 70 to 85F (21 to 29C) or sow in place. Plant 10 week seedlings 6 inches apart (15 cm).

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Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

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