Answer: Silver lace vine (Polygonum aubertii) is a rampant grower and does not require much care except for an annual cutting back in early spring if needed to remove any winterkill and to control its size. You can prune them back now - but I wouldn't remove everything. The vines will emerge both from the roots and from the old wood and they flower from old wood. These vines do seem to leaf out a bit late in the spring. They do best in full sun with a rich soil that is evenly moist, but will tolerate partial shade and average soil. An annual application of compost and/or complete fertilizer in early spring should be adequate for providing the nutrients your silver lace vines need. Best wishes with your garden!
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