Which plant grows in 1 month?
Radishes are one of the fastest-growing vegetables, often ready to harvest in just 3 to 4 weeks. Lettuce and spinach also grow quickly, typically in about 4 to 6 weeks. Spinach. Spinach is a versatile and fast-growing green that can be harvested in as little as 20-30 days. It thrives in cooler temperatures and prefers partial shade. Sow the spinach seeds directly in the soil, and keep the soil moist for the best results.