A hydrothermal vent is a fissure in a planet's surface from which geothermally heated water issues. Hydrothermal vents are commonly found near volcanically active places, areas where tectonic plates are moving apart, ocean basins, and hotspots.
When to Set out Tomato Plants. The best time to set out tomato plants is after danger of frost, which is usually anytime in April, May or early June. If you started seed indoors, the seedlings should be about 6 to 8 inches tall and hardened off before transplanting outside.
How to Grow Tomatoes in Hot Weather. Sizzling summer temperatures can bring your previously productive tomato plants to a screeching halt. When days hit 85Â°F to 90Â°F and nights hover above 75Â°F, tomato flowers often fail to pollinate, then drop â which in turn puts new fruit production on hold. The longer the heat lasts, the longer those tomato flowers will continue to hit the pause button. In short, hot weather can delay your tomato crop. Hereâs how to grow tomatoes in hot weather: