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Hosta Sum it Up

Large, Light green leaves with yellow, narrow margin.
Plant Size:
Extra Large
Flower Color:
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Sum it Up

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Giant hostat with oval, glossy, green leaves creates a dense clump. Central part of the leaf is green, yellow, later on whitte border. Very similar to his parents 'Sum and Substance'. Registered in the Netherlands. Almost identical to the "Lady Isobel Barnett".

How to grow hostas

Save light shade to shade place in your garden to plant hostas. Filtered sun is best for the colorful varieties to reach their full color contrast. The green and blue hostas are the most shade-tolerant. Usually the yellow cultivars are the most sun-tolerant. The most dangerous is a direct sunshine, especially hot afternoon sun. This is the most critical where temperatures are high. Variegated varieties, especially those with a lot of white in the leaves, burn very easily. Blue color of leaves turns to green-blue or even fully green with too much direct sun. Plants with thick leaves are better suited for dry soil conditions than thin-leaved ones, but none is able to grow years-long in very dry soil. Plant hostas in moist, humus-rich soil.

Water your hostas well immediately as you plant them. Give them water regularly during their first one or two growing season.

Hostas grow slowly and may take 2 to 5 years to reach their full size, longer for the largest species and cultivars. Reserve a plenty of space in your perennial bed for hostas. Most of them are medium sized or large perennials. Hostas are almost fully disease and pest resistant. The most dangerous injury can by caused by slugs, snails and deers. 

Additional Information

Plant Size Extra Large   Spacing (h x w) 80 x 100 cm
Leaf Size 40 x 30 cm   Growth Rate Fast
Leaf Color No   Leaf Color (Center) Green
Leaf Color (Margin) Yellow   Red "legs" No
Slug Resistant Yes   Sun Tolerant No
Flower Color Lavender   Wavy Leaf No
Flower Fragrance No   Sun Exposure Shade
Hybridized by M. Zilis   Year of Registration 1999
Supplied as No  

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