3/11/2023 0 Comments Sweet peas![]() ![]() Seedlings should be thinned to 5 or 6 inches apart. Slugs can be a problem, so be prepared to set traps or bail as the seedlings poke through the soil. Germination may be quicker and more uniform if the seeds are soaked for 24 hours just before sowing. Plant the seeds 3/4 to 1-inch deep, spaced 2 inches apart. Top off the trench with soil mixed with a small amount of super phosphate or bone meal, a well-balanced fertilizer such as 15-15-15 or other organic fertilizer. To ensure success, prepare a 10-inch-deep trench, filled in halfway with well-rotted manure or compost. The best way to avoid these diseases is to plant sweet peas in a well-drained, sunny location with good air circulation before mid-March and to protect the seedlings from frost. ![]() Some varieties are powdery mildew resistant. They may also suffer from pea enation, a mosaic virus that can develop in the heat of summer. Sweet peas are susceptible to powdery mildew, a fungal disease that can infect crowded plants or those growing in damp shady places. Sweet peas grow best when planted during the early spring in western Oregon and a little later in the higher elevation areas east of the Cascades. Be aware, though, that the peas are inedible and even toxic if ingested in quantity. Taller climbing varieties, such as ‘Old Spice Mix’ or ‘Royal Family’ can be trained to cover fences and trellises.īoth types make wonderful cut flowers with sweet, old-fashioned fragrance and a variety of colors. Shorter bush or dwarf varieties, including ‘Supersnoop’ types, make a colorful hedge in a flowerbed, along a walkway or in planters. Sweet pea flowers naturally self-pollinate while still in bud, and it would seem that their color and perfume are there to please the gardener more than the bee. The first sweet peas had relatively small flowers but possessed a powerful and attractive fragrance. CORVALLIS – Sweet peas are a classic flower in English gardens since they were introduced in the 17th century from southern Italy and have transplanted well to all parts of the world, including climate-friendly Oregon. ![]()
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