![]() ![]() Start with a thin layer of mulch and build it up to 10 cm (4″) thick as the plants grow. Keep plants evenly watered and mulch the soil to help preserve soil moisture and keep the soil from becoming too warm in summer – if the soil does become too warm, it can trigger a summer dormant period. Space plants 60-90 cm (24-36″) apart in the row with rows 1.75 m (6′) apart. Wonder A hybrid artichoke variety without spines that produces high, early yields. Ideal for warmer climates since second-year buds from this plant taste best. Artichoke does best in full sun with a deep, organic, fertile soil. Green Globe This large plant gets 4 feet tall and wide and can handle part shade. ![]() Harden off and transplant to the garden after the threat of frost has passed. When seedlings are 2.5-5 cm (1-2″) high transplant to individual 10 cm (4″) pots and grow on at 15-21 C. Sow the seed 6 mm (1/4″) deep and germinate at 21-26 C (70-80 F). Start seed indoors in a soil-less mix 8-12 weeks before the last frost date in your area. Photo by Magpi-Moon under the Creative Commons Attribution License 2.0. Artichoke is a tender perennial hardy from zone 7 up. Plants can reach 1.5 m (4.5’) in height in one year. The fleshy base of the flower scales and the firm centre are the edible portions. The artichoke flowers are best harvested when 5-9 cm (2.5-4″) in diameter. Artichoke Plants - Planting Instructions Plant out from late April Water pot before planting Prepare hole for each plant Spacing: 60 - 90cm Can be planted. “Green Globe” has deep green buds with a slight purple tinge. Artichokes will not survive winter in most areas of Canada! We suggest digging up and overwintering dormant roots in a cool area indoors if you do want to try for a second year harvest. This improved artichoke is such a pretty plant that it is also sold as an ornamental. This is an old standard variety that can be grown as a perennial in warmer climates. Higher quality artichokes develop in the second and third years – therein lies the gardener’s greatest challenge. Garden Environment In-Store Only Artichoke Heirloom. The seeds can also be prepped through a method of scarification as well. Heirloom Vegetable.įirst year artichokes are small & few in number but can still be suitable for harvest. Start by soaking your Artichoke seeds in warm water for 12 hours prior to sowing. Green Globe Improved Artichoke Seeds 1105. ![]()
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