![]() ![]() Frequent watering and a straw mulch to retain moisture, will also increase bud production, especially in climates where summers are very warm. Giving Artichokes a fertile soil will help to insure productive plants. A couple of weeks at 50☏ should do the trick. Be sure to plant the seeds in a deep container. Artichokes are known as tap-rooted plants, which means their roots grow deep, even as seedlings. With annual varieties like Imperial Star it is still important to give your transplants a bit of a chill in spring, just to be sure they’ll set buds. Artichoke seeds can be started in February in a greenhouse or under a fluorescent light, planted about 1/4-inch deep in 4-inch containers. Artichokes can grow in a wide range of soils but prefer heavy, deep, fertile, loam-loamy clay soils provided the aeration and drainage is proper for the plant. This meant giving them an artificial “winter” – a chilling period as young plants, to trick them into thinking the warm days of June were their second summer. Before annual varieties were developed, it was necessary to “vernalize” the plants in areas where temperatures fell too low for the plants to survive the winter (zone 7 and colder). In nature, since artichokes are biennials, the plants set buds in their second year. The part of the Artichoke that we eat is actually the flower bud-picked before it bursts into fuzzy, brilliant purple blooms. Least 3 weeks of cool, 50☏ weather (protect themĭuring any hard frosts). Is to time outdoor planting so that they get at The garden after the last frost, adding fertilizer An ideal locationįor Artichokes is a well-draining bed or a raised bed Unlike the standard slow-growing artichokes, this very early cultivar reaches maturity in just 75 days. Artichokes develop a tiny taprootĪnd are extremely susceptible to damping off, Colorado Star As its name suggests, ‘Colorado Star’ was bred to come to maturity in regions with shorter growing seasons, such as those experienced in the Rocky Mountain State. Start indoors 8 weeks before the last frost date: sowģ to 4 seeds per pot or 1 seed per peat pot, barely Start artichoke seeds indoors in late winter, under bright florescent lights. Sunlight and good ventilation to grow from seed. Artichokes need moderate temperatures, strong ![]()
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