The stems may have been damaged in the transfer.Hi, my watermelon fruit is already 45 days old, good shape. I have 12 plants, put into the ground (raised beds) on Memorial Day. A second, but less likely cause would be the fruit growth inhibited by an immovable object–a post, or rock.is it possible to use saltwater in the watermelon plantation ?No the salt in saltwater will block the uptake of potassium into the plant; potassium is a basic plant nutrient.The underneath of my watermelon has not turned at all and it’s now been 47 days after pollination!

Is the Black Diamond extra sensitive to moisture and fertilizer/Hollow heart and white heart in watermelon fruits are a physiological disorder. What can I do?If fruits are not coming then there is a lack of pollination. If the seedlings are 4 to 6 inches tall, feed them a dilute solution of fish emulsion.I have a baby watermelon with a flower on top. The past two years I have tried to grow Black Diamonds. Why are they smooth and yellow, never been grey green and there is no netting or ribs on them?
Wisteria is right. Is this still the case when they seem to only die when a new melon sets?

Bitter melon is a tropical vine found extensively throughout the Caribbean, Africa, China, India and Southeast Asia. I don’t see any visible fungus or disease, the female flowers just start to yellow while still immature, then gradually turn brown and shrivel up. I have like 3 different kinds of pants in there.

Thump the top of the melon with your finger. Place bird netting over the plant to exclude birds and mammals.
Any suggestions?Watermelon fruit stops growing early, here are a few possible reasons: (1) insufficient pollination or failed pollination–encourage bees and other pollinators in your garden by planting bee-attracting plants such as zinnias, lavender, nepeta; hand-pollination is an option–rubbing the male flower against the female flower; (2) insufficient heat–melons low heat; cloudy and cool weather can inhibit growth–wait until the weather warms; or place a tile or a stone under your fruit to attract solar heat–you can also use black mulch or gravel; place hot kaps over developing fruit to keep them toasty; (3) soil is too dry; melon fruit development needs constant moisture–keep the soil evenly moist; do not let it dry out; (4) use a fertilizer with low nitrogen and higher phosphorus and potassium–too much nitrogen can inhibit fruit growth.It could be pollination or fruit fly.

Any help you can give?Sidedress the melon with a complete natural fertilizer that is higher in phosphorus and includes calcium (Lilly Miller MorCrop is one). They are growing great but my question is this. What caused this and how can I remedy this. One other cause of cracking melon skin can be sunscald–too much sun. I see some females start to grow but they never flower and then just fall off .

Because there are commonly no pollinators in a greenhouse, you can hand pollinate the female flowers by removing the petal of a male flower and rubbing the stamen against the stigma of the female flower.This is such a useful article, and your responses to questions are so thorough, thank you. To speed ripening, set your fruit on a stone or brick or wooden shingle that will absorb the day’s heat. Yellowing Leaves in Watermelon. Thanks, Satish Western Ghats Maharashtra The post may still be visible to moderators in this topicThe post will be removed from this topic completely The bittetgourd from the supermarket is easily at least 30cm long. Check the number of days to maturity for the variety you are growing. My garden is in a semi-tropical region outside of the US.