How fast does it take for a sunflower to grow?

Although miniature sunflower varieties are about 2 feet tall, and giant varieties can grow over 10 feet tall, standard sunflowers are usually between 6 to 10 feet in height. Depending on the variety, sunflower plants started from seed can mature in 70 to 100 days. read more

Sunflowers do not require fertilizing. However, because they grow vigorously (they can easily grow 6 feet in just 3 months), it's a good idea to add some slow-acting granular fertilizer to especially poor, thin soil. The better their diet, the larger the flowers. Do not overdo the nitrogen because that will delay flowering. read more

Plant can take 75 to 90 days to mature. If you want a fast growing plant that will mature in a short time then plant radishes. Some radish varieties can be ready to harvest in 22 or 23 days. read more