When to Plant Petunias by Region in Utah
Is it too early to plant petunias?
Most people plant seedlings grown by commercial growers, but you can start your own petunia seeds at home. Burpee advises that you start your seeds 6 to 10 weeks before the last expected frost in your area.
Do petunias grow in Utah?
Without a doubt the petunia are one of the most popular of all annual flowers grown in Utah.
At what temperature can petunias be planted?
Petunias thrive when nighttime temperatures are in the 55 to 65°F range, and daytime temps are between 61 and 80°F. They will succumb to sub-freezing temperatures in a hurry, and anything below 40°F may kill them, though Wave® petunias can tolerate temperatures as low as 35°F.
When can I plant annuals in Utah?
Plant Annual Flowers After the Last Spring Freeze
In Salt Lake City, annuals can typically be planted after April 26, but in Tooele and other parts of northern Utah, planting may need to wait until closer to the middle of May.
Can petunias survive extreme heat?
Your summer garden isn't complete without sun-loving petunias. Not only are petunias heat tolerant, but their vibrant blooms add just the right amount of color to your yard.
When can you put out hanging baskets?
Plant winter hanging baskets between September and October, and it doesn't matter if they are frosted as the plants are should be hardy. You would normally plant up a long-lasting perennial hanging basket from April onwards, depending on the types of plants being used.
Do petunias like afternoon sun?
Petunias will grow in partial sun, but they prefer full sun. For plentiful, long-lasting blooms, plant petunias in an area that receives ar least six hours of direct sunlight a day.
How do you protect petunias from extreme heat?
Protect Potted Plants
Place them under a porch or in full shade if possible on exceptionally hot summer days. Containers tend to dry out faster and will need more frequent watering than your garden plants. Check your potted plants and hanging baskets every morning to ensure they aren't dry.
Do you cut back petunias in winter?
Cut the petunias back to about 2 inches (5 cm.) above the soil and plant them in pots before the first fall frost. Check them over carefully to make sure they aren't infested with insects. If you find insects, treat the plants before bringing them indoors.
Where should I plant petunias?
Petunias prefer to be grown in full sun, although during hot, sunny summers they will tolerate light shade. They grow best in a fertile, moist but well-drained soil.
What temperature can wave petunias tolerate?
Nights: 57 to 65°F (14 to 18°C) Days: 61 to 75°F (16 to 24°C) Wave petunias can tolerate temperatures as low as 35°F (2°C); however, keep in mind that crop timing (time to flower) is related to daily average temperature when grown under proper daylength.
When can you start putting flowers outside?
Most flowers should be planted after your region's last frost date. Planting flowers in spring is the most popular time, but perennials do fine if planted in early fall in the North and late fall in the South.
When can I plant pansies in Utah?
“The dry heat in Utah though, can cause them to fade. Most gardeners grow pansies from September through the end of March, then pull them up and plant those wimpy annuals to fill-in the area with color for the summer.
What flowers can I plant in March in Utah?
Annuals also have a place in your March gardening plans. Once the spring soil is warm, you can sow wildflower mixes and other hardy annuals like marigolds, pansies and morning glory flowers. You can also plant some types of herbs, such as oregano, chives, dill and parsley, at this time of year.
How do you get petunias to spread?