BOTANICAL NAME: Echinops ritro 'Blue'AVERAGE MATURE HEIGHT: 90 cmAVERAGE MATURE SPREAD: 60 cmSUN EXPOSURE: Full sunFLOWER COLOUR: Powder BlueFLOWERING TIME: Early summer to early fallFOLIAGE COLOUR: Blue-green with silver undersidesCOLD HARDINESS: Zone 3 ( Should survive up to -39.9° Celsius )WATER NEEDS: AverageOTHER...
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BOTANICAL NAME: Echinops ritro 'Blue'
AVERAGE MATURE HEIGHT: 90 cm
AVERAGE MATURE SPREAD: 60 cm
SUN EXPOSURE: Full sun
FLOWER COLOUR: Powder Blue
FLOWERING TIME: Early summer to early fall
FOLIAGE COLOUR: Blue-green with silver undersides
COLD HARDINESS: Zone 3 ( Should survive up to -39.9° Celsius )
WATER NEEDS: Average
OTHER FEATURES: Attracts Butterflies & Birds, Bee Friendly, Border, Cut Flowers, Deer Resistant, Rabbit Resistant, Native

Description:

Striking globe-shaped powder-blue flowers steal the show when in bloom on a relatively compact plant ; not an invasive type of thistle, good for attracting pollinators to the garden; do not over-fertilize

Ornamental Features

Blue Thistle features bold powder blue pincushion flowers at the ends of the stems from early summer to early fall. The flowers are excellent for cutting. Its attractive spiny lobed leaves remain steel blue in colour with curious silver undersides throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Blue Globe Thistle is an herbaceous perennial with an upright spreading habit of growth. Its relatively coarse texture can be used to stand it apart from other garden plants with finer foliage.

This is a relatively low maintenance plant, and is best cleaned up in early spring before it resumes active growth for the season. It is a good choice for attracting bees and butterflies to your yard, but is not particularly attractive to deer who tend to leave it alone in favor of tastier treats. It has no significant negative characteristics.

Blue Globe Thistle is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use

Planting & Growing

Blue Globe Thistle will grow to be about 28 inches tall at maturity, with a spread of 24 inches. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 10 years.

This plant should only be grown in full sunlight. It prefers dry to average moisture levels with very well-drained soil, and will often die in standing water. It is considered to be drought-tolerant, and thus makes an ideal choice for a low-water garden or xeriscape application. It is particular about its soil conditions, with a strong preference for poor, alkaline soils. It is somewhat tolerant of urban pollution. This is a selection of a native North American species. It can be propagated by division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.

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