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Hosta ‘Blackjack’
Hosta ‘Blackjack’
Garden Diary

Date purchased or acquired:

Where acquired:

Location in the garden:


The next time you are buying perennials please look for our helpful labels and blue pots, and remember "The best perennials come out of the blue"!

Hosta ‘Blackjack’


USDA Zone: 2-9

Plant number: 1.700.720

Hosta are among the most popular of perennials for shady areas, with hundreds of varieties now readily available. Plants form sturdy mounds of foliage, topped with lily-like blooms. This giant selection has large, heavily corrugated, thick, blue-green leaves early that mature to dark, black-green by early summer. White flowers appear in July. Good slug resistance. Excellent used as a specimen. Protect from hot afternoon sun. Clumps may be easily divided in the spring or fall. A Clarence Owens hybrid of H. sieboldiana ‘Mira’ × H. sieboldiana.

Further details for
Hosta ‘Blackjack’

Optimal Growing
Appearance and
Sun Exposure
  Partial Shade or
  Full Shade
Soil Type
  Normal or
  Sandy or
Soil pH
  Neutral or
  Alkaline or
Soil Moisture
  Average or
Care Level
Flower Colour
Blooming Time
  Early Summer
  Mid Summer
Foliage Color
  Deep Green
Plant Uses & Characteristics
  Accent: Good Texture/Form
  Cut Flower
  Rabbit Resistant
   60-75 cm
   23-29 inches
   170-180 cm
   66-70 inches
Foot Traffic
Growth Rate
Disclaimer: This information is presented for reference only. This plant is not currently part of our Heritage Perennials lineup.