How to grow incredible Zinnia

The ideal time to sow the seeds in spring after the danger of frost has past.

Zinnias like rich, well-drained soil, but are very tolerant of average to slightly poor soils. Improving your soil quality will produce much healthier plants and flowers, so add plenty of compost. Fertilize lightly once a month.

No need to dig a hole for the seed, just toss, and then place compost or rake lightly over the seeds. Germination takes 7-14 days.

If seeds come in too thick you may have to spread them out, do so when they are about 2 inches tall and transplant the Zinnias 6-8 inches apart

Once your Zinnia plants are established, they should grow well. Soil should be moist, but not wet. Water them during dry periods once or twice per week.

Add mulch around the plants for appearance and to keep weeds down.

For your mid-summer garden, Zinnia is the heat seeker and drought tolerant. In fact the hotter the days the more blooms Zinnia is the gardeners choice for late summer gardens.

Avoid powdery mildew by watering with soaking hose. Best time to water is in the morning.

Deadheading the zinnia will encourage more blooms. You can reseed with the spent blooms or you can give seeds away to your neighbors or friends.

Bees, butterflies and hummingbirds especially enjoy the nectar rich zinnia, and will flock to your garden.

Improve appearance of Giant Zinnias by trimming back stems that have grown long or gangly, but do not over trim them.

Zinnias are annuals and are susceptible to frost. They may survive the first light frost with only a little damage. They will not survive a hard frost or freeze.

Giant Zinnias have long stalks for flower vases and other arrangements. Cut the stem low, check for insects hiding in the flower, on the stem and under the leaves. Bring them indoors and place in water immediately.

For miniatures, use a small container or vase and cut stem a couple inches long. Bunch up a variety of colors for an eye-appealing arrangement. Add a small sprig or two of Baby’s Breath.

Zinnias are somewhat resistant to insects and disease. If insect or disease problems occur, treat early with organic or chemical insect repellents and fungicide.


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