Eryngium planum | Blue Glitter Mieko Sakaguchi Penstemons thrive in a well

Penstemons thrive in a  well drained soil and are actually  quite drought tolerant although a layer of mulch is appreciated

We cover ours with a layer of mulch and they reliably over-winter

Cut your plants down in mid-winter and cover with mulch and a sprinkling of slug bait and then start a feeding regime again when plants have put on around 10cm of growth

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Eryngium planum | Blue Glitter Mieko Sakaguchi Penstemons thrive in a wellKnown as flat Sea Holly, Eryngium planum Blue Glitter is a striking and eye catching perennial that has many steel blue flowers that are egg shaped. Flowering in summer this plant will light up the garden. The flowers are held on intensely silver blue stems that stand high above the basal rosette of blue green toothed leaves. This variety matures quickly and produces a greater number of flowers that some varieties making it particularly great for