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Palmer Penstemon, Balloon Flower
Scientific Name: Penstemon palmeri Gray
Family: Scrophulariaceae
Recommended Temperature Zone:
sunset: 10-13
USDA: 6-10

Heat Tolerance: Difficult to keep alive in summer in zone 13

Sun Exposure: sun-part shade

Origin: California, Utah, Arizona, Idaho, up to 7000 feet elevation (2100 m)

Growth Habits: Perennial, occasionally with a woody base, 2 to 3 feet tall (60-90 cm) or more, 2 feet spread (60 cm); blue-grey foliage

Watering Needs: Low water use, drought resistant, needs excellent drainage

Propagation: Seeds in early spring, division

The species is named after Edward Palmer (1831-1911), an English botanist that collected many plants in the southern and southwestern USA and Mexico.

Blooming Habits:
Penstemon palmeri has 3 feet tall flower spikes (90 cm) of scented large fuzzy pinkish-white flowers, 1 to 2 inches long (2.5-5 cm), in late spring to early summer.

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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