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Good Blue Iochroma

Iochroma australe 'Good Blue'

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Good Blue Iochroma (Iochroma australe 'Good Blue') at A Very Successful Garden Center

Good Blue Iochroma flowers

Good Blue Iochroma flowers

(Photo courtesy of NetPS Plant Finder)

Height:  10 feet

Spread:  6 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  9a

Other Names:  Angel's Trumpet, syn. Acnistus australis

Description:

A stunning display of royal blue trumpet flowers that bloom profusely throughout the season; a cousin of the Brugmansia, with smaller, but plentiful blooms; can be maintained as a small tree; great for containers

Ornamental Features

Good Blue Iochroma features showy royal blue trumpet-shaped flowers hanging below the branches from early summer to mid fall, which emerge from distinctive deep purple flower buds. It has green evergreen foliage. The glossy pointy leaves remain green throughout the winter.

Landscape Attributes

Good Blue Iochroma is a multi-stemmed evergreen shrub with an upright spreading habit of growth. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.

This shrub will require occasional maintenance and upkeep, and is best pruned in late winter once the threat of extreme cold has passed. It is a good choice for attracting bees, butterflies and hummingbirds to your yard. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Insects

Good Blue Iochroma is recommended for the following landscape applications;

  • Accent
  • Mass Planting
  • Hedges/Screening
  • General Garden Use
  • Container Planting

Planting & Growing

Good Blue Iochroma will grow to be about 10 feet tall at maturity, with a spread of 6 feet. It tends to be a little leggy, with a typical clearance of 1 foot from the ground, and is suitable for planting under power lines. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 20 years.

This shrub does best in full sun to partial shade. It does best in average to evenly moist conditions, but will not tolerate standing water. To help this plant achive its best flowering performance, periodically apply a flower-boosting fertilizer from early spring through into the active growing season. It is not particular as to soil pH, but grows best in rich soils. It is somewhat tolerant of urban pollution. This is a selected variety of a species not originally from North America, and parts of it are known to be toxic to humans and animals, so care should be exercised in planting it around children and pets.

Good Blue Iochroma makes a fine choice for the outdoor landscape, but it is also well-suited for use in outdoor pots and containers. Its large size and upright habit of growth lend it for use as a solitary accent, or in a composition surrounded by smaller plants around the base and those that spill over the edges. It is even sizeable enough that it can be grown alone in a suitable container. Note that when grown in a container, it may not perform exactly as indicated on the tag - this is to be expected. Also note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Accent  Massing  Screening  Garden  Container 
Applications
Flowers  Attracts Wildlife 
Ornamental Features