Growing Warm Season Vegetables . Beans, corn, cucumbers, melons, okra, eggplant, peppers, tomatoes, pumpkin and squash are warm-season vegetables. Many of these crops grow under cool conditions, but won't produce fruit when night temperatures are in the 50 degree Fahrenheit range. They need warm temperatures to grow and mature. Use this high phosphorus formulation during periods of bud set to increase number and size of blossoms. Great for vegetable production! Click on picture for pricing, additional product specifications and to select from 4lb. jar or 25lb. bag. San says They grow wild in Darwin. I brought back a few plants for Asian friends & neighbours, but they rarely survive for more than 2 winters in Sydney's cold climate. Toggle navigation Trees of North List of North American Trees. Black Birch; Black Birck; Black Cherry; Learn how to make homemade fertilizer for your hydroponic plants. Also includes a discussion of water for hydroponics, and symptoms of nutrient deficiency.