A lot of people actually think that Petunias is an annual plants, but the fact is that most of them are perennials. Some gardeners just happen to grow them as annuals, most especially up north. Petunias plants are native to Brazil, Argentina, and other parts of South America. Petunias plants are attractive flowers that caught the eye of early explorers, who collected the seeds and take it back to Europe and to North America.
This plant can grow to about 12-15 inches tall. The stems are covered with soft hair. The bright and colorful funnel shaped flowers start to bloom as early as late spring. Also the flower blooms are produced in many single and multi colors.
These particular plants are popular, very easy, and fun to grow. Petunias plants are great in windowsills, containers, or even on hanging baskets.

The Plant Height: The plant height is about 12 inches

Petunias propagation

These plants are grown from seeds. The plant seeds can be directly seeded into the garden or seeded indoors for transplanting later. For spring blooms you can start the Petunias in the pots and containers indoors 6 to 8 weeks before the last frost. The seedlings will actually transplant well into their permanent home.

Make sure you sow the Petunia seeds early in the season and cover them lightly with 1/8" of fine garden or potting soil. Make sure you water them thoroughly once. They will germinate slowly.
You can transplant the Petunias plant into your garden after the last frost date for your area.
Make sure you space them 10-12" apart. This plant will tolerate a little crowding. If you actually want to create a flower bed you can create a pattern or color scheme prior to planting, or use a mixed variety.

The day of germination: The day of germination is about 10 – 21 days.

Steps on how to grow Petunia plants

This plant really like full sun. Petunia plants prefer rich, loose soil that is well drain, although they tolerate poorer soils. You can add a general purpose fertilizer when planting them, then once a month after that. Immediately the Petunia plants are established, they will grow very well with few problems. Make sure you keep the soil moist to slightly dry. Also make sure you water them during dry periods, once or twice per week. Make sure you keep them well weeded, or apply a two to three layer of mulch for a tidy appearance.

You can remove spent blooms to promote additional blooms and extend the blooming period all summer long, and right up to the first killing frost. Doing this will really keep the appearance neat and beautiful.
These plants are half hardy annuals. This plant will often survive the first frost if it is light. Petunia plants will not survive a hard frost or freeze.

The Flowers Bloom: From Summer to Frost

Disease and Insect control

These plants have problems with insects and disease. By peradventure if any insect or disease problems occur, you can treat early with organic or chemical insect repellents and fungicide.

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