how tall do zinnias grow

Height/Spread: Varies by type. There are dwarf varieties 6 to 12 inches tall and wide, and others grow up to 4 feet tall and 1 to 2 feet wide.

Do zinnias need full sun?
Do zinnias come back every year?
How long do Zinnia blooms last?
How close together can you plant zinnias?
What month do you plant zinnias?
Do you deadhead zinnias?
Are zinnias self seeding?
Should you soak zinnia seeds before planting?
Should you pinch zinnias?
Are zinnias good in pots?
Do zinnias bloom all summer?
Why are my zinnias so small?
Why are my zinnias dying?
Do rabbits eat zinnias?
Can you grow zinnias from cuttings?
Can you plant zinnia seeds in the fall?
Will zinnias rebloom after cutting?
Why do my zinnias look bad?
Is Epsom salt good for zinnias?

Do zinnias need full sun?

Zinnias' pointy seeds, shaped like little arrowheads, require only basic garden prep to sprout: sow them in well-drained soil, where there's full sun and lots of summer heat, and you'll have tiny seedlings in days, with flowers powering up in just a few weeks.

Do zinnias come back every year?

Zinnias are annuals, so they'll grow for one season and produce seeds, but the original plant will not come back in subsequent years. They have bright, solitary, daisy-like flowerheads on a single, erect stem, which makes them great for use as a cutting flower or as food for butterflies.

How long do Zinnia blooms last?

In addition to zinnias' spectacular garden show where ever you need a burst of color, zinnias are an incredible cut flower. Many varieties of zinnias will last from seven to 12 days in a vase.

How close together can you plant zinnias?

Large varieties should be spaced 12 inches apart and smaller varieties 6 inches apart. * Plant zinnia seeds in small containers and then transplant or put the seeds directly in the ground. To plant in containers, evenly space about six seeds in a 4-inch pot.

What month do you plant zinnias?

Planting: Plant zinnias in spring after all danger of frost has passed, around the same time you'd plant tomatoes. Zinnias are easy to grow directly-seeded into the garden. For sooner blooms, start seeds indoors 4 to 6 weeks before your last frost date.

Do you deadhead zinnias?

Deadhead Zinnias to prolong blooming time. Zinnias flourish when they are deadheaded and it encourages the flower to continue to bloom. Once the flower begins to fade, remove it from the stem. You can either pinch the flower off or use a small pair of garden shears to cut them off.

Are zinnias self seeding?

Zinnias (Zinnia spp.) reseed easily, creating a cut-and-come-again garden each summer. ... Zinnia haageana "Persian Carpet" and Zinnia elegans "State Fair" and "Liliput" are a few of the heirloom varieties that grow in U.S. Department of Agriculture plant hardiness zones 1 through 10 and reseed each year.

Should you soak zinnia seeds before planting?

Seeds can be planted indoors 6-8 weeks before the last frost and the seedlings can be easily transplanted into your outdoor garden later on. Remember that germination is less successful in cold soil. Moreover, it is best to soak dried seeds in water for 4-6 hours before planting.

Should you pinch zinnias?

Sweet peas will branch into a much fuller plant with pinching. When you are happy with your plants' shape, stop pinching and let them grow. Zinnias and cosmos are especially generous bloomers if pinched. Pinch early to promote branching, then “pinch” by cutting flowers.

Are zinnias good in pots?

Zinnias are colorful additions to any flower garden, they're great for cutting, they are easy to grow and start from seed, so they make a great choice for container gardening.

Do zinnias bloom all summer?

The Benary's Giants have large, double blossoms, 4 to 6 inches across, available in a rainbow of colors and features improved mildew resistance. Photo by: Shaikh Meraj / Shutterstock. Fully double flowers bloom all summer on this heat-loving zinnia.

Why are my zinnias so small?

Plants are shorter than is characteristic for the variety and the flowers are much smaller: When zinnias are overcrowded they can become stunted and produce smaller flowers.

Why are my zinnias dying?

A: Zinnias can be prone to several bugs as well as the most common problem -- powdery mildew, which is a disease that turns the leaves whitish, then brown. The holes could be due to Japanese beetles or to a couple of other smaller beetles that sometimes eat zinnia leaves.

Do rabbits eat zinnias?

Common zinnias (Zinnia elegans) and lower-growing creeping zinnia (Zinnia angustifolia) are among the plants that rabbits avoid. ... Snapdragons (Antirrhinum majus), hardy in U.S. Department of Agriculture plant hardiness zones 7 through 10 but generally grown as annuals, are another species that rabbits avoid.

Can you grow zinnias from cuttings?

Zinnias are so easy to grow AND they're gorgeous. ... It's for this reason that I've found an interested in propagating zinnias from cuttings and rooting stems in water. Taking cuttings is really easy. All I do first, is make a cut below one of the leaf nodes.

Can you plant zinnia seeds in the fall?

Zinnias thrive in hot weather and germinate easily from seed. Fall growing conditions are perfect for zinnias because the weather is usually a little dryer. I recommend seeding zinnias by August 15^th to enjoy them throughout the fall. They will die out after the first frost.

Will zinnias rebloom after cutting?

Zinnias are a “cut and come again” flower, so when you cut the plant “hard,” it responds by sending out even more long, strong stems all season long.

Why do my zinnias look bad?

Bacterial and fungal spots, powdery mildew, and bacterial wilt may affect zinnias. Minimize wetting of foliage and space plants properly to avoid disease. Caterpillars, mealybugs, and spider mites also cause problems. Some leaf damage is not an issue, so avoid spraying unless there's a true infestation.

Is Epsom salt good for zinnias?

Feed plants with nitrate-based fertilizer at 200- to 250-ppm nitrogen. Interveinal chlorosis may indicate magnesium deficiency; supplement with MgSO4 (Epsom Salts) at 16 ounces/100 gallons. If grown on the lean side and too dry, zinnias may flower prematurely.