Imperial Blue Plumbago | Blue Flowering Shrub

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Imperial Blue Cape Plumbago

Plumbago auriculata 'Imperial Blue'

Clouds of soft blue flowers cover gracefully arching branches, bringing long-lasting color and effortless beauty to sunny gardens.

$19.00

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Description

Imperial Blue Cape Plumbago (Plumbago auriculata 'Imperial Blue') is a vigorous, semi-evergreen shrub celebrated for its abundant clusters of soft sky-blue flowers. Blooming from spring through fall in mild climates, the delicate blossoms appear at the tips of long, gracefully arching branches, creating a relaxed, airy appearance. Medium green foliage provides an attractive backdrop for the flowers, which draw butterflies and other pollinators. Heat-tolerant and relatively drought-tolerant once established, this versatile shrub is ideal for flowering borders, informal hedges, slopes, and large patio containers.

Quick Facts

Foliage & Flowers: Semi-evergreen, medium green leaves with abundant clusters of soft sky-blue flowers.
Mature Height: 4–6 ft.
Mature Spread: 8–10 ft.
Growth Rate: Fast.
Hardiness Zones: USDA Zones 9–11; Sunset Zones 8–9, 12–24.
Light Requirement: Full sun, partial sun, filtered sunlight, or partial shade.
Core Benefits: Long flowering season, heat tolerance, pollinator attraction, and graceful spreading growth.
Best Uses: Flowering borders, informal hedges, slopes, mass plantings, cottage gardens, and large patio containers.

Faqs

Q: When does Imperial Blue Cape Plumbago bloom?
A: It typically flowers from spring through fall in mild climates, with especially abundant blooms during warm weather.

Q: Can Imperial Blue Cape Plumbago be used as a groundcover?
A: Yes. Its wide, arching growth habit makes it suitable for covering large slopes and open landscape areas. However, it grows considerably taller than traditional low-growing groundcovers.

Q: Does Imperial Blue Cape Plumbago need regular pruning?
A: Pruning helps control its vigorous growth and encourages a fuller shape. Trim as needed, with more substantial pruning in late winter or early spring after the risk of frost has passed.

📍 Primary Delivery Area · San Francisco Bay Area

Local delivery across the Bay Area — and beyond.

San Francisco Bay Area is our primary local delivery market. Victory Nursery also serves additional California markets and selected extended delivery areas by arrangement.

Regular local delivery: San Francisco, Peninsula, South Bay, East Bay, Marin, Tracy / Mountain House and surrounding service areas.

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A good garden starts with the right size

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1 Gallon

A practical starting size for perennials, grasses, groundcovers, vines and young shrubs. Lightweight, easy to plant and well suited for projects that need multiple plants.

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5 Gallon

A popular size for shrubs, screening plants and young trees. Large enough to make an immediate difference in the garden while still manageable for most residential projects.

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Gallon describes the container size, not a guaranteed plant height. Individual plants vary. Contact our nursery for current measurements.

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