![]() Petunias perform well in both landscape beds and in container plantings. Mulches also insulate the soil, keeping roots warm when temperatures drop. Mulch with pine straw, leaves or pine bark to help maintain a clean appearance of the landscape bed, to minimize moisture loss and to help control weeds. Space plants in the garden 12 to 24 inches apart. Plants grow to an average height of 6 to 12 inches and can trail up to 2 to 3 feet. Petunias prefer an acidic soil in the pH range of 5.5 to 6.5. They grow best in full to partial sun in well-drained soils. Supertunias are easy-care plants that need little routine maintenance. Petun started the flowers from seeds he collected and brought back to Europe, where they became popular. A French botanist named Petun discovered these flowers in Argentina in the mid 1800s. Petunias are one of the most popular annuals in home gardens. Supertunias are durable, outstanding annual bedding plants for all of Louisiana. Pair it with the indigo and you have a great purple and gold combination. This is a true yellow - not a typical color for petunias. Another great petunia I am particularly fond of is a new release for 2022: the Capella Hello Yellow. ![]() Featuring smaller blooms, Supertunia Vista Mini Indigo adds a splash of deep purple to the landscape. Supertunia Vista Mini Indigo is also a Louisiana Super Plant selection. The flowers are bright pink and prolific. In trials at the LSU AgCenter Hammond Research Station, Super-tunia Vista Bubblegum was a top performer. This is one of the best-performing petunias in the landscape. First is the Supertunia Vista Bubblegum petunia. The LSU AgCenter Louisiana Super Plants program has promoted two such improved varieties. Petunias of the past couldn’t handle the heat, but newer varieties have improved tolerance. Are you looking for reliable, easy-care color for the landscape this summer? Look for new and improved petunias that tolerate the heat.
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