Temperatures. 1  Valleys/low level: Plus 4 rising to 10 Celsius. 2  At 900m: Minus 1 rising to 2 Celsius. 3  Freezing level: 800 metres rising above the summits by the end of the morning.
1 You can also start okra directly in your garden 3 to 4 weeks before the last spring frost date as long as you cover the plants with a cold frame or grow tunnel until the weather warms up. Make sure that the covering is 2 to 3 feet tall so that the plants have room to grow. You can soak the seeds overnight in tepid water to help speed up germination. 2  If you are planting okra transplants, be sure to space them 1 to 2 feet apart to give them ample room to grow. 3  Okra plants are tall, so be sure to space out the rows 3 to 4 feet apart.
Plant okra in late spring or early summer, two weeks or more after your last frost has passed. Soak hard okra seeds in plain water overnight before planting, and discard any seeds that float to the top.Plant okra seeds 1 inch deep and 4 inches apart, spacing rows at least 30 inches apart. When okra seedlings are 4 inches tall, thin them to at least 18 inches apart.lant okra in late spring or early summer, two weeks or more after your last frost has passed. Soak hard okra seeds in plain water overnight before planting, and discard any seeds that float to the top.