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.
Temperatures for Germination. Okra sprouts best in warm soil. Plant it in the spring or early summer when the soil temperature has reached at least 70 degrees F and the daytime temperatures are reaching 75 to 90 degrees. Okra seeds do not sprout in soil temperatures below 65 degrees.emperatures for Germination. Okra sprouts best in warm soil. Plant it in the spring or early summer when the soil temperature has reached at least 70 degrees F and the daytime temperatures are reaching 75 to 90 degrees. Okra seeds do not sprout in soil temperatures below 65 degrees.