Interesting balloon-like buds burst open into fully double, bell-shaped flowers. Exceptional branching and thick flower petals make for long-lasting periwinkle blue blossoms. Its compact, uniform habit makes 'Astra Double Blue' a good selection for cut flowers, containers, or the garden.
Height:
8.0-10.0 Inches
Spread:
6.0-8.0 Inches
Hardiness Zones:
3,4,5,6,7,8
Flower Color:
Blue shades
Foliage Color:
Green shades
Sunlight:
Full Sun (> 6 hrs. Direct Sun) Part Shade (4-6 hrs. Direct Sun)
Water Requirements:
Low Water Needs Average Water Needs
Soil Quality:
Poor Soil Quality Average Soil Quality Fertile Soil Quality
Soil Chemistry:
Acidic Soil (pH < 7.0) Neutral Soil (pH = 7.0) Alkaline Soil (pH > 7.0)
Bloomtime:
Midsummer
Critter Resistant:
Deer Resistant
Growth Rate:
Medium
Garden Style:
Patio Container Eclectic
Other Features:
Border Plant Container Cut Flower Mass Planting
Origin:
Not Native to North America
Platycodons are easy, trouble-free perennials that thrive in almost any soil as long as it is well-drained. They can easily adapt to grow in either full sun or part shade. Be patient in the spring, as this genus is slow to emerge. Cut the whole plant back after the first hard frost.
If you squeeze the buds, they making a popping sound, similar to a balloon popping.
Height:
8.0-10.0 Inches
Spread:
6.0-8.0 Inches
Hardiness Zones:
3,4,5,6,7,8
Flower Color:
Blue shades
Foliage Color:
Green shades
Sunlight:
Full Sun (> 6 hrs. Direct Sun) Part Shade (4-6 hrs. Direct Sun)
Water Requirements:
Low Water Needs Average Water Needs
Soil Quality:
Poor Soil Quality Average Soil Quality Fertile Soil Quality
Soil Chemistry:
Acidic Soil (pH < 7.0) Neutral Soil (pH = 7.0) Alkaline Soil (pH > 7.0)
Bloomtime:
Midsummer
Critter Resistant:
Deer Resistant
Growth Rate:
Medium
Garden Style:
Patio Container Eclectic
Other Features:
Border Plant Container Cut Flower Mass Planting
Origin:
Not Native to North America
Platycodons are easy, trouble-free perennials that thrive in almost any soil as long as it is well-drained. They can easily adapt to grow in either full sun or part shade. Be patient in the spring, as this genus is slow to emerge. Cut the whole plant back after the first hard frost.
If you squeeze the buds, they making a popping sound, similar to a balloon popping.
