When to Plant Pumpkins in Central Texas Dreaming of homegrown pumpkins this fall? July is the perfect time to plant pumpkin seeds in Central Texas. Most pumpkin varieties need 90 to 120 days to mature, so planting in early to mid-July gives vines plenty of time to produce pumpkins before Halloween and Thanksgiving. Give Pumpkins Plenty of Space Pumpkins are vigorous growers. Most varieties need 50 to 100 square feet per plant, depending on the type. Space hills 4 to 8 feet apart, or plant rows 6 to 10 feet [...]