DO NOT OVER WATER SEEDLINGS! Hardening off should take a minimum of a week and may take up to two. The amount of damage to seedlings depends on the particular fungus, soil moisture and temperature. This can be reduced by: hardening off seedlings gradually; watering the plants … This is one of the down sides of a multi pot. This typically spans about a week. Over the next few days, gradually increase the time outdoors by a 1-2 hours. Steps to Harden Off Your Transplants: 1. Hardening off involves getting seedlings used to conditions outside gradually. I'm hardening off some seedling to plant out soon, but it is still way too soon for the melons so they are just along for the ride! Harden off plants gradually exposing them to outdoor conditions. For most plants, start hardening off about a week before the final frost date for your area. When a seedling is planted in a new growing position it experiences transplant shock. ”Harden off” your seeds before you transplant them outside. If you’re planting directly into the ground so that your plants’ root mass is covered by soil, this is the best way to protect your roots. One Way to Harden Off Seedlings. On day 1, set your seedlings in a shady, wind-free area outdoors for about 2-3 hours. Hardening Off. Take my little ones outdoors under a protected/covered area for a couple of hours to start a 7 to 14 day hardening off process. After 5–7 days of hardening off, the seedlings will be ready to be transplanted to their final growing position. Transplanting. Damping off occurs in many types of soil and in various climates. I like to situate my seedlings on a patio table under an umbrella to shade them from the sun and shelter from rain. Suddenly moving plants from a stable environment to one with wide variations in temperature, light and wind can seriously weaken plants. HARDENING OFF IS KEY . Begin Hardening Off Your Plants in a Sheltered Location: About a week or two before your transplant date, place your plants outdoors in a protected spot for a few hours on the first day. B. Through your own experimentation in your specific zone you'll come up with your personal technique for hardening off seedlings, but until then here's what I do: 1. Hardening off should take a minimum of a week and may take up to two. Typically, germinating seeds are killed by the damping-off fungus prior to emerging from the ground, and older, more established plants are seldom affected. I should put them in their own pots - they are getting big enough. “Hardening off” is a process where you slowly adjust your plants to life outdoors. Jan 27, 2019 - If you harden off seedlings, they'll be strong when transplanted and able to withstand full sun, light breezes, spring rains, and fluctuating temperatures. 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