Petunia flowers Classification

How to Get Petunias to Last Throughout Summer

May 8, 2014 – 09:42 am

Purple Wave petunia

Petunias are annual flowers available in many different varieties, colors and shapes. The trick in the home garden is to get them to last throughout the summer. Follow these tips to grow brightly colored petunias that will bloom throughout the warmest months.

Abundant Varieties of Petunias

The so-called old types of petunias are multiflora and grandiflora. Multiflora petunias - as the name implies - flower more freely and tend to tolerate some adverse heat and weather conditions than grandiflora. In size, multiflora varieties have blooms from 1.5 to 3 inches in diameter, compared to 3 to 4-inch diameter grandiflora petunias.

Newer varieties of petunias are those classified as spreading-type plants. Low-growing spreaders reach heights of 6 to 12 inches and can be used as ground cover or in hanging baskets in full sun. Many of the Wave petunias—which have flowers in colors of pink, rose, misty lilac, lavender, blue and purple—grow 24 to 30 inches wide and 8 to 10 inches tall.

Consider the many varieties of petunias: available as singles, doubles, petunias with contrasting edges (called picotees), striped ones, veined, trailing, dwarf, tiny blooms, medium-size blooms and large blooms.

What Petunias Like

To proliferate, petunias aren’t too picky, but they do need full sun. They also like a well-drained, slightly acidic soil. Add organic manure when they are first set into the ground. Fertilize weekly with an all-purpose fertilizer.

Many gardeners find success with getting petunias to bloom all summer by adding water in between regular irrigation periods. This is especially true during the heat of summer in July and August when many petunias become spindly and die out.

Tips to Encourage Petunias to Continue Blooming


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Yep, they'll do a number on geranium flowers

And also petunias, and other ornamental tobacco family plants. There's a good little article from Sunset on the problem here:
Looks like you can use the "organic" Bacillus (BT) for control besides picking each little worm out of there. BT's about the only thing to spray on anyway, since the pest is apparently notoriously immune to insecticides.


Look on leaves for little brown flecks if u find them, u most likely have budworms. the flecks r their poop. they destroy flowers,buds and leaves. I have recently seen japanese beetles obliterate the poor plants in two days. try spraying water lightly over plants and then quickly scan for moving insects, as this may help to identify them..or...shake plant over a bag and see if a bug drops in. this can he also help identify. could b slugs if there is mulch near . check soil on ground or pot for snails ,slugs etc. I hand pick most slugs,snails, and beetles and have good results.good luck

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Lawn & Patio (Clifton's Nursery)
  • Shipped potted in soil for best possible results when planted in yard or garden.
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Lawn & Patio (Seeds and Things)
  • Perennial Zones 6-9. Can be grown as an annual in other zones.
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  • Plant in Spring or Fall.
  • Full shade to mostly shade
  • 25 Seeds

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