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This means you will cut back hostas sometime in the late fall to early winter when the temperatures have dropped below 30 degrees F. The plant will become limp and wilted, which is the sign that ...
Once the foliage is cut back, add a layer of compost mulch to the border. “This helps put nutrients back into the earth for next year," says Marshall. "It will also protect the plant's crown ...
The flowers of hosta are produced on upright scapes that are woody and remain on the plant throughout winter, they are generally taller than the leaf mound, and end in terminal racemes. [11] The individual flowers are usually pendulous, 0.75–2 in (1.9–5.1 cm) long, with six tepals, [12] white, lavender, or violet in color and usually scentless.
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A reduction cut may be performed while still allowing about 50% of the branch. This is done to help maintain form and deter the formation of co-dominant leaders. Temporary branches may be too large for a removal cut so subordination pruning should be done to slowly reduce a limb by 50% each year to allow the tree to properly heal from the cut.
Hostas in the 'Undulata' group include an all-green cultivar, 'Undulata Erromena'; a white-edged cultivar, 'Undulata Albomarginata'; and white-centered (medio-variegated) cultivars that may be grouped according to the amount of white in the leaf. The typical H. 'Undulata' has a wide white center, wider than the green of the margins.
People who wish to buy hostas may request proof from the seller that the hosta is HVX-free before purchase. After purchase, even if test results come back negative for HVX, hostas suspected of being infected should be quarantined for a year or more away from other hostas and be observed to see if it presents any symptoms. [13]
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