WSU Clark County Extension
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Sum and Substance Hosta

Scientific name: Hosta spp. 'Sum and Substance'
Taxonomy
Family:Liliaceae
Type:Groundcovers Herbaceus
Native:NO
Plant Requirements
Zone:3 to 9
Sun:Partial shade
Plant Characteristics
Height:6 ft
Width:10 ft
Bloom:Summer flowers
Bloom Time:July to August
Bloom Color:Lavender
Additional Characteristics
Trees


Fruit

Leaves


Bark
Wildlife value

Poisonous
Description In the world of Hostas, the cultivar Sum and Substance lives up to its name in that it can grow to a very large size, sporting beautiful chartreuse leaves. This cultivar has the largest leaves of any hosta. Designated as Hosta of the Year for 2004 by the American Hosta Grower's Association.

  Morphology:
This is an herbaceous groundcover that can grow to 3’-6’ tall and up to 6’-10’ in width. The leaves are 9” or more in width and can over 20” long. The foliage gleams in dappled or morning light!

In mid and late summer, Sum and Substance Hosta produces bell-shaped, pale lavender flowers which compliment the golden tint of the leaves. Flower scapes can attain height of 26”.

  Adaptation:
Grow in moist but well-drained, fertile soil. Shade tolerant. Grows best with full morning sun. Tolerates drought but a summer mulch is beneficial.

  Pests:
Rarely bothered by slugs or snails.
For assistance, contact Dr. Charles Brun (brunc@wsu.edu), (360) 397-6060 5701
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