What is the lowest temperature that pansies can tolerate
John Parsons
Updated on May 07, 2026
Pansies have a tolerance to low-temperatures and actually thrive in cool weather (40°-60°F) (Kwon 1992). They are capable of surviving temperatures down to the single digits, but when the air temperature drops below 25°F, pansy foliage will wilt and turn a gray-green color.
Can pansies handle 30 degrees?
Pansies and Violas are hardy plants and will survive a frost—and even a hard freeze—for a period of time. Depending on how hard the frost was, flowers that were blooming may wither, but the plants will stay alive. … When temps fall below 10 degrees for several hours, this is extreme cold for Pansies and Violas.
Will pansies survive frost?
Pansies and violas are the mainstay of winter baskets and containers. … The winter flowering pansies are bred to be frost tolerant, they will droop and look dead in a heavy frost but once the temperatures rise they will bounce back again.
When can I put pansies outside?
In general, the ideal time to plant pansies is late September for zones 6b and 7a, early October for zone 7b, and late October for zones 8a and 8b.Is it OK to plant pansies now?
Pansies can be planted in the early spring or the fall. … But if you want to seed, start pansy seeds indoors in late winter 8 to 10 weeks before the last spring frost for early spring and summer flowering. Or, start seeds in late summer for fall and winter flowering.
What temperature do pansies like?
The reason for these specific planting dates is because pansies require soil temperatures between 45° F and 65° F for best growth. Pansies planted after soil temperatures go below 45° F often appear stunted, develop stunted, pale green leaves and flower poorly.
Can you plant pansies in March?
When to Plant Pansies Pansies can be planted in the early spring or the fall. Pansies can be finicky to start from seed; it’s a lot easier to buy established plants from a local nursery.
Do pansies come back every year?
Will My Pansies Come Back? The short, quick answer is, yes. Because they have little freeze tolerance, most will die in sustained winters. In areas with moderate temperatures, they may come again in spring, especially if they were mulched to protect the roots.How often should I water my pansies?
Pansies need 1 inch of water weekly when they are actively growing. However, gardeners need to ease up on watering when rain provides adequate irrigation. In addition, manual watering should occur in the morning so foliage has the morning sun and the rest of the day to dry.
How do you keep pansies blooming all summer?Give them partial shade, fertilize lightly, and deadhead throughout the hot months to maximize blooms. If you live in colder climates, with the warmest temperatures of the year at and below 70 degrees, summer will be the best time to grow pansies and get them to bloom.
Article first time published onDo Pansies like sun or shade?
Light: Pansies do best with about six hours of sun daily. In warmest regions (Zone 7 and warmer), protect plants from full sun during the hottest part of the day. Too much heat can slow flower formation. New trailing pansy varieties, like Cool Wave, need a minimum of six hours of full sun to flower best.
Can I use Miracle Grow on pansies?
If you’re a pansy plant, being covered with spent flowers is like being in need of a good haircut. … Mix up a batch of water-soluble, liquid fertilizer such as Miracle-Gro All Purpose Plant Food 15-30-15, and give them a substantial meal.
Why are my pansies drooping?
Pansies need about 1 inch of moisture weekly from rainfall or irrigation, or enough so the soil remains moist but doesn’t become soggy. Pansies thrive in evenly moist soil, and if the soil dries, the foliage and flowers begin to wilt and droop. … High temperatures can also cause pansies to droop.
Why are my potted pansies dying?
Plant pansies so that they are the same depth in the potting soil as they were in the nursery containers or cell packs. … Planted too shallowly, pansies dry out and droop, which can result in pansies dying in summer.
How do you revive drooping pansies?
Rejuvenate overgrown or leggy pansies by trimming them back. Cut each plant back to one-half its previous height. Pansies will grow back quickly and begin blooming anew. Lay a 2-inch layer of bark mulch around the base of the plants in late spring.
Should you deadhead pansies?
For pansies, be sure to deadhead (remove spent blooms) regularly to encourage lots of flower production and to minimize disease spread during periods of wet weather. … Regular application protects new growth and flowers, and should be reapplied especially after a heavy rain.
How long do pansies last in pots?
That means if you plant them in the autumn, pansies can last up to eight months, from September to April or May, providing colorful blooms for much of that time. They usually aren’t very pretty in the dead of winter, but their spring blooms can be even more robust when the plants have been in the ground since fall.
What do I do with pansies in the summer?
Keeping pansies alive over the summer is most easily accomplished by placing them in an area that is not full sun and not letting them crisp from neglect during the summer heat. Pansies frequently go dormant during hot weather and are often mistakenly believed dead.
Can pansies tolerate heat?
Pansy. While Pansies can tolerate some cold, they absolutely do not like excessive heat and humidity. Heat causes pansies to become leggy and stop blooming. When summer warmth begins to get the upper hand, go ahead and remove pansies to make way for your summer annuals (BH&G 2020).
Can pansies live indoors?
You see pansies (Viola x wittrockiana) in garden centers everywhere because they are easy to grow, come in a wide range of colors and can grow both indoors and out. … Hardy in U.S. Department of Agriculture plant hardiness zones 3 through 9, pansies are a colorful addition to your home when grown as a houseplant.
Is Epsom salt good for pansies?
High calcium and low magnesium levels can prevent the availability of boron to pansies, causing puckered leaves, stunted growth and aborted buds. … Treatment with Epsom salt at the rate of 1 to 2 teaspoons per 1 gallon of water will supply magnesium to help correct the problem.
How do I make my pansies bushy?
For pansies grown in containers or in the ground, compact, bushy growth is ideal. Remove up to one-half of the plant growth, including flowers, leaves and stems. Use shears and form the plant into a mounded shape. Cutting back the plant in this way will encourage it to branch out more and promote flowering.
How do you keep pansies blooming in the winter?
Sometimes, you can help the pansies along by providing them with a bit of fertilizer. Fertilize them every two to three weeks with a bit of liquid fertilizer to encourage root and plant growth. Phosphorus fertilizer, like bone meal, will also help promote flowering.