Where Do Zinnias Grow. Dwarf cultivars grow between 6 and 12 inches tall and wide. zinnias are some of the most colorful and attractive garden flowers.
Flowers in summer through early autumn,. Water plants about three times a. this series of zinnias will produce yellow flowers and will grow the tallest out of this bunch, reaching about 14 inches in height.
How to Plant and Grow Zinnias Martha Stewart
When the seedlings emerge, thin them out so you end. facts about growing zinnias. Now that you know a little bit more. allow the zinnias to dry out and complete their life cycle.