Zinnia Flower When To Plant. They are also very beautiful displayed in vases and floral arrangements. Zinnias can be sown indoors from February until April or sown outdoors directly into the soil in May.
Mulch makes a difference. In fact its a great idea to plant multiple rounds at 2- to 3-week intervals up until the end of June for non-stop blooming into fall. Plant them about 14 right in the ground spaced as much as your chosen variety needs anywhere from a couple of inches to a couple of feet.
Planting zinnias is an excellent choice if you want to give some color to your yard or flower garden without too much effort.
Feb 26 2019 How to plant zinnias. PROVEN WINNERS 4-Pack 425 in. They are short-day. Plant them about 14 right in the ground spaced as much as your chosen variety needs anywhere from a couple of inches to a couple of feet.