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Hosta 'Krossa Regal'
Krossa Regal Large Blue Hosta

$15.00 $19.50
This size 20 in stock Product ID: 659258

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CULTURAL CONDITIONS

Plant Min Zone: 3a

Plant Max Zone: 8b

Sunlight: Part Sun, Shade, Deep Shade

Water / Rainfall: Average, High

Soil Quality: Average, Rich

FLOWERS AND FOLIAGE

Bloom Season: Summer

Flower Color: White

Berry / Fruit Color: None

Spring Foliage Color: Bluish Green

Summer Foliage Color: Bluish Green

Fall Foliage Color: Gold, Yellow

Evergreen Foliage: No

Winter Interest: No

Scented Flowers: No

PLANT TOLERANCES

Drought Tolerance: Low, Medium

Wet-Feet Tolerance: Medium

Humidity Tolerance: Medium

Wind Tolerance: Low

Poor Soil Tolerance: Clay Soils

GROWTH AND MAINTENANCE

Height: 2' - 3'

Width: 2' - 3'

Growth Rate: Medium

Service Life: Very Long: 10-20 years

Maintenance Need: Low

Spreading Potential: Low

Yearly Trimming Tips: Trim Perennial to Ground Around First Fall Freeze: No Winter Interest.

PLANT USES AND LIMITATIONS

Plant Grouping Size: Small Grouping of 3-5, Medium Grouping of 5-10, Mass Planting of 10 or more

Best Side of House: East Exposure, North Exposure

Extreme Planting Locations: Base of Retaining Wall Locations

Ornamental Features: Multiple Seasons of Interest, Long Blooming Season, Large Tropical Foliage / Flowers, Exceptional / Colorful Foliage

Special Landscape Uses: Groundcover

Possible Pest Problems: Deer, Rabbits, Snails / Slugs, Virus

Plant Limitations: Needs Regular Irrigation

Description

Hosta by far is the most popular and well-known shade plant in the United States. Many thousands of cultivars exist from original species native to China, Japan, and other forested areas in Asia. Hosta foliage arrises from a clump-forming root system and is often large and dramatic with many types of variegation. Flowers, born on tall stocks ranging in shades of white and purple, are equally attractive. Hostas grow best in rich, well-drained soils in full to partial shade. In Eastern Kansas with our average 40 inches of average rainfall, plants are drought tolerant if established in moisture-retentive high-quality soil. Dry-shade areas are best avoided. Afternoon sun with temperatures over 95 degrees F but likely burn the tips of hosta foliage rendering them unattractive for the rest of the year. There is no secondary growth by late summer after flowering and after buds have been set for next year. In northern parts of the country, hostas can handle full sun. In the Southern part of their range further South than zone 7, hosta can really struggle through the long summer heat unless conditions are perfect. Rabbits, deer, slugs, and snails can be a problem generally on small or un-established plants. Large-leaf robust varieties seem to outgrow browsing predators better than small dainty varieties. Methods of control are effective ranging from cages to deer repellents. Generally, a large established planting of hostas will be there for decades gradually getting thicker and denser without a need to divide. Many plantings have been in our display garden for 15-20 years with no weeds ever trying to grow in the shade of the foliage. Hosta foliage is susceptible to late spring freezes so try to cover if possible. During the Easter freeze of April, 2007, thousands of hosta were killed to the ground in eastern Kansas but all returned successfully by May from secondary buds. Hosta's newly unfurling foliage is considered edible when cooked like asparagus or eaten raw in salads. Hosta 'Krossa Regal' is a large to giant hosta that grows in an upright, vase-shaped habit. Foliage is thick, waxy, pest resistant, and powdery-blue. Trumpet-shaped, lavender flowers bloom in mid to late summer on tall stalks.

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