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Flowers aren't the only way to add color to a garden. How to paint with foliage
There are also variegated varieties and some with distinct leaf veins. You can plant Heuchera as a single specimen or as a ground cover in part shade to part sun (perennial in zones 4-9).
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Seed ferns tested leaf vein networks 201 million years ago, here’s how
According to a new study, web-like patterns of leaf veining in flowering plants ... this species 201 million years ago had ...