![]() ![]() Use the wider spacings for large-seeded limas. Use a plant spacing of 3-4 inches within row and 22 to 36 inches between rows. ![]() Use only fungicide and insecticide-treated seed. Lima bean seed numbers approximately 25-75/ounce for large-seeded and small-seeded types respectively. Stand establishment is one of the major limiting factors in lima bean production. ![]() This may be done by opening seedbags and placing them in a protected area to absorb moisture from the air several days before planting. To reduce risk of cold water imbibition damage condition the seed to 12-14% moisture before planting. Lima bean seed is sensitive to damage from cold water imbibition, particularly when the seed is very dry. Soil temperatures below 60 F result in poor stands and poor early growth. Ideal germination is at soil temperatures of 75 to 85 F. Lima beans are planted in the lower Columbia Basin from about mid May to mid June after soil temperatures exceed 65 to 70 F. In fields with no recent history of lima bean production, seed will need to be properly inoculated (see below). Determine corrective lime and fertilizer rates by a soil test. Rotate crops to minimize root damage from root rot diseases and avoid fields that had crops where white mold (Sclerotinia sclerotiorum) was a problem. Select fields that are uniform in fertility, soil type, slope and drainage. Lima beans can develop vigorous, extensive root systems.Īvoid fields that are stony or that have a history of high weed populations, especially quackgrass. Lima beans grow best on medium to light, loamy soils that are well drained and well supplied with organic matter. Lima beans are adapted only to the warmer areas of east of the Cascades such as the Columbia Basin and Treasure Valley. Others for trial: Eastland, Baby Fordhook. Pole types (for specialty fresh market and home garden): King of the Garden, Large Speckled Christmas Green. Small-seeded types: Packer DM (early), Maffei 15, Early Thorogreen, Kingston, Thaxter, Clarks Bush, Baby Lima, Wasatch. Some varieties grown east of the Cascade Mountains are: Commercial lima bean production has generally been limited to east of the Cascade Mountains. When grown for processing, varieties are specified by processor. Very few lima beans are grown for fresh market in the Pacific Northwest. VARIETIES (approximately 80 to 100 days in lower Columbia Basin). ![]()
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