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Seeds should be planted 5–10 mm (0.2–0.4 in) deep, and spaced 15–30 cm (5.9–11.8 in) apart. The seedlings will emerge in 10–20 days, and it will continue to produce greens through the summer. Mature plant will self-seed. Seeds will overwinter up to USDA zone 5. [citation needed]
It is a hardy plant that grows to zone 5, and in mild climates it is grown as a winter green. In warm conditions it tends to bolt to seed, [3] producing much-branched stems with clusters of flowers. The flowers have a bluish-white corolla of five fused petals, 1.5 to 2 mm (1 ⁄ 16 to 5 ⁄ 64 in) long and wide, and three stamens.
Marjoram (/ ˈ m ɑːr dʒ ər ə m /, [2] Origanum majorana) is a cold-sensitive perennial herb or undershrub with sweet pine and citrus flavours. In some Middle Eastern countries, marjoram is synonymous with oregano , and there the names sweet marjoram and knotted marjoram are used to distinguish it from other plants of the genus Origanum .
Zones: 1 to 6 (for hardneck garlic; softneck varieties can be cultivated in warmer zones) Size: 2 to 3 feet tall x 1 foot wide Care requirements: Full sun; moderate water; well-drained soil.
Datura metel is a shrub-like annual (zone 5–7) or short-lived, shrubby perennial (zone 8–10), commonly known in Europe as Indian thornapple, Hindu Datura, [2] or metel and in the United States as devil's trumpet or angel's trumpet. Datura metel is naturalised in all the warmer countries of the world.
A perennial herb, it should be planted in full sun, 38 to 46 cm (15–18 in) apart, and cut back to the ground in the autumn. It grows up to 70 cm (28 in) tall. It is hardy to USDA zone 5 (−30 °C or −22 °F). Outside of its native range, it may become an invasive weed. [7]
Sagittaria latifolia is a variably sized perennial that may reach as much as 150 centimeters (5 ft) in height, [7] but is more typically 60–120 cm (24–47 in). [8] The plants often grow together in crowded colonies and spread by runners ( stolons ) at or just under the soil surface.
Image Credit: 123rf.com. If you think gardening is only for warm, sunny days, think again! Cold-weather vegetables thrive when the temperatures drop, offering an array of fresh, nutrient-packed ...