Growing Indoor Zinnias Caring For Zinnias As Houseplants

Water indoor zinnias whenever the top inch (2.5 cm.) of soil feels dry to the touch. Be careful not to overwater, and never let the pot stand in water. Fertilize potted flowers every other week, using a dilute solution of a water-soluble fertilizer.

1. How do you take care of potted zinnias?
2. Can you keep zinnias indoors?
3. Do zinnias grow well in pots?
4. Why are my potted zinnias dying?
5. Should I soak zinnia seeds before planting?
6. How often should I water Zinnia?
7. Should you pinch zinnias?
8. Do zinnias self seed?
9. Do you deadhead zinnias?
10. What month do you plant zinnia seeds?
11. How long do zinnia plants last?
12. Will zinnias rebloom after cutting?
13. Is Epsom salt good for zinnias?
14. How do you get rid of zinnia fungus?
15. How do you treat zinnia leaf spots?
16. Will powdery mildew go away on its own?
17. Do zinnias need full sun?
18. How long soak zinnia seeds?
19. Do zinnias bloom all summer?

How do you take care of potted zinnias?

Zinnia Container Care and Maintenance

Water the pots whenever the first inch (2.5 cm) or so of soil has dried out. Make sure the container has drainage holes, though, so you don't get standing water or soggy roots. Deadhead your zinnias as the blooms fade to promote more flower production.

Can you keep zinnias indoors?

Zinnias may be started indoors or directly in the garden. If you have good conditions for growing them indoors such as plant lights, a heat mat for germination, then you can get a head start by starting them indoors.

Do zinnias grow well in pots?

5 Zinnias will grow in large containers but not well in small pots. Choose a pot at least 12 inches across for best results. Taller growing varieties, such as State Fair, need the largest pots.

Why are my potted zinnias dying?

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.

Should I 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.

How often should I water Zinnia?

* Water zinnias at ground level to prevent fungus. Once they are 3 to 4 inches high, water them deeply a couple of times a week, depending on weather. Zinnias aren't drought tolerant, but they like their soil a little on the dry side. The soil should not be continuously wet.

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.

Do zinnias self seed?

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.

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. ... You can either pinch the flower off or use a small pair of garden shears to cut them off.

What month do you plant zinnia seeds?

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.

How long do zinnia plants 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.

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.

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.

How do you get rid of zinnia fungus?

Natural Controls

1. To try this at home, mix 1 part milk with 9 parts water and spray the stems and tops of leaves with the solution. Reapply after rain.
2. Spraying leaves with baking soda (1 teaspoon in 1-quart water) raises the pH, creating an inhospitable environment for powdery mildew.

How do you treat zinnia leaf spots?

Control Alternaria and Cercospora leaf spots by thoroughly spraying seedlings and young plants with a protective fungicide at about 7- to 14-day intervals during warm, wet, or very humid weather. Be sure to cover the underleaf surfaces with each spray.

Will powdery mildew go away on its own?

The Basics of Powdery Mildew

They need the plant's nutrients to survive. And unlike most types of fungi, they cause more severe cases of disease in warm, dry weather. A mild case may go away on its own.

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.

How long soak zinnia seeds?

Many sources recommend 8-12 hours and no more than 24 hours. Again, too much soaking and the seeds will start to decompose. If you use very hot water, the soaking time will decrease. We've always liked to use warm water and start the soaking at bedtime, then plant first thing in the morning.

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.