Crithmum maritimum L.
Rock Samphire, Samphire, Sea Fennel
Cachrys maritima, Crithmum canariense
Crithmum maritimum is an edible richly branched succulent with a stalk, hard woody at the base. It grows up to 1 foot (30 cm) tall. Leaves are 2 to 3 times pinnate with linear to fleshy oblong lobes. Flowers are white to greenish-yellow, more rarely pinkish, carried in umbels with 10 to 30 rays, and appear in mid-summer.
USDA hardiness zones 7a to 10b: from 0 °F (−17.8 °C) to 40 °F (+4.4 °C).
How to Grow and Care
Growing Rock Samphire in the garden is very easy. Although it is used to salty coastal soil, it will do well in any well-draining soil and has been cultivated in gardens in England for centuries.
Sow seeds indoors a few weeks before the average last frost. Transplant the seedlings outside after all chance of frost has passed.
Rock Samphire can tolerate some shade, but it will perform best in full sun. It is a good idea to dig a large hole and fill the bottom with gravel to make drainage easier. Allow the soil to dry out between waterings.
Harvest young leaves and stems throughout spring and summer by handpicking or cutting with scissors, similar to harvesting the most common herb plants.
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