How to Grow Zinnias in Containers

Zinnias grow in all parts of the United States and bloom with flowers of different sizes, a variety of shapes, and an assortment of colors. Growing them in containers is easy even for beginners, needing only a little effort at the start and some weekly maintenance throughout the rest of the year.

Swallowtail Garden Seeds

Swallowtail Garden Seeds / flickr.com

Zinnias are easy to start from seed: cover them with mix to a depth of about 1/4 inch and keep them lightly moist until seedlings sprout. Keep the containers in a sunny spot at room temperature until you’re ready to transplant them into larger containers.

You can also purchase seedlings at a garden center or nursery, but don’t buy them more than a day or two before you’re ready to plant, otherwise they might not flourish as well as freshly purchased seedlings.

Jim, the Photographer

Jim, the Photographer / Flickr.com

Zinnias grow well in any type of container, but choose a container that has at least one drainage hole to help prevent fungal growth in the soil. Plant zinnias in any commercial potting mix. Don’t use garden soil, which can harbor pests or disease-causing organisms.

Swaminathan

Swaminathan / Flickr.com

Zinnias are usually free of any pest problems but are susceptible to fungal infections such as powdery mildew. This is best prevented by keeping the container in a spot with good air circulation and watering only at the plant’s base, keeping the stems and leaves dry.

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