Botanical Name: Thunbergia grandiflora
Common Name: Sky flower
Type of Plant: dicot: vine
Character evergreen
 
Habit of Growth:
Overall Shape a vigorous, rapidly growing vine; sprawling if unsupported; climbs by twining (no tendrils)
Height to 20' or more
Spread equal
Growth Rate very rapid
 
Environment:
Exposure outdoors prefers full sun in warm, humid, coastal areas; requires partial shade at inland sites
Soil prefers deep, rich soils; avoid strongly alkaline soils
Hardiness tender (zones 16, 21-24); regrows well after frost damage
 
Morphology:
Leaves pinnate, opposite, ovate, 3"-6" long; blades rich green, flat, conspicuously veined; margins may be slightly toothed
Flowers pale blue, very showy, corolla is wide-funnel-shaped with flaring petals; throat of corolla white; flowers 2 1/2"-3" wide, in loose, open racemes; fall through late spring
Fruit a fleshy, pointed drupe
 
Propagation:
seed, or hardwood cuttings
 
Usage:
an excellent vine for tropical-theme gardens, valued for its luxuriant growth and heavy flower display; good for arbors, large trellises; best for large-scale gardens
 
Landscape Care:
Watering regular preferred; tolerates heavy
Fertilizing balanced, in spring and fall
Pruning head back as needed to control overall size; thin out every 2-3 years to remove thatchy undergrowth
Pests/Diseases relatively free; aphids and plant hoppers in late spring-summer
Special Conditions/Other
 
Origin: Tropical India
Family: Acanthaceae

Notes:
 
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