Medical Definition of absolute refractory period. : the period immediately following the firing of a nerve fiber when it cannot be stimulated no matter how great a stimulus is appliedâcalled also absolute refractory phase; compare relative refractory period.
Prior to planting, soak the okra seeds in water for 12 to 18 hours to soften its hard seed coat. Soaking aids moisture absorption and germination. Plant okra in the spring or early summer once the threat of frost has passed.hoose a garden spot where its shade will not harm other sun loving plants. Sow the seeds one inch deep in rows that are three feet apart. The seeds generally germinate in two to 12 days. Okra will grow in many soil types, so mulch and fertilize as needed.
Soil, Planting, and Care. Okra seedlings donât like cold. Plant well after the last spring frost when the ground and air have warmed. Choose your sunniest spot for growing okra, and wait until the weather is warm to set out your plants. Plants like it when nights are at least in the 60s and days 85 or warmer. In the North, gardeners might wait until late June to plant, since pods appear within 2 months. Okra grows best in soil with a near-neutral pH between 6.5 and 7.0, although it will do fine in a pH as high as 7.6.