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Island Bush Snapdragon
Scientific Name: Gambelia speciosa Nutt.
Synonym: Galvezia speciosa, Antirrhinum speciosa
Family: Scrophulariaceae
Island Bush Snapdragon (Gambelia  speciosa)
Galvezia speciosa at the Santa Ana Botanical Garden
Recommended Temperature Zone:
sunset: 14-24
USDA: 10-11

Frost Tolerance: Foliage damaged at 30F (1C)

Sun Exposure: Full sun to light shade

Origin: Islands of the coast of southern California (Santa Catalina, San Clemente, Guadalupe)

Growth Habits: Evergreen perennial, 2.5 to 4 feet tall (0.75 to 1 m), 3 to 5 feet spread (0.9 to 1.5 m), with age covers a very large area; leaves 1 inch long (2.5 cm), 0.5 inch wide (1.2 cm)

Watering Needs: On the coast: no dry season water, inland: little to moderate.

Propagation: Easy to propagate from cuttings, seeds

Good hummingbird plant.

Blooming Habits:
Tubular scarlet flowers, 1 inch long (2.5 cm), all the year, mostly in the spring.

Fruiting Habits:

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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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