Leaf margins are can be smooth or wavy. Trailing plant; flowers are small (4 cm wide), petals completely fused, trumpet-like, and slightly bilaterally symmetrical (unlike most petunias). Flowers typically bloom from May to September. Bud Size - 1/8 to 1/4 inch. The plant grows best in moist, organically rich, well-drained soils in full sun. Petunia are heat tolerant, drought tolerant, and sun tolerant. Five lobed, petunia-like, lavender to violet flowers bloom from the upper leaf axils in loose purple-stemmed clusters. Mexican-petunia is a perennial in zones 8 to 11 that stands up to 3 feet in height. Petunias are generally insect pollinated, with the exception of P. exserta, which is a rare, red-flowered, hummingbird-pollinated species.Most petunias are diploid with 14 chromosomes and are interfertile with other petunia species, as well as with Calibrachoa.. If you are growing petunias in a garden, space them out about 3 inches (7.6 cm) apart. Leaves and Buds Bud Arrangement - Alternate. Botanical designation: Petunia X hybrida. The new Petunia is the product of a planned breeding program conducted by the inventor in Enkhuizen, Netherlands. The new Petunia plant is a product of a planned breeding program conducted by the … Leaf Type and Shape - Simple, ovate to elliptical-oblong. Stems are green or purple and leaves are dark green, oppositely arranged and lance-shaped, roughly 6 to 12 inches long and ½ to ¾ inches wide. Veins are prominent on the underside of the leaf. BACKGROUND OF THE INVENTION. Calibrachoa x hybrida, or Trailing petunia, is a tender perennial, usually grown as an annual, that has been known to survive the winter in USDA Zone 7, but is more commonly winter hardy in Zones 9 through 11. Five species of Ruellia are native to Florida, and three nonnative species are listed as naturalized in the state, including R. simplex (Wunderlin et al. Leaf Surface - Variable, glabrous to pubescent. Leaf Margins - Finely-serrate to irregularly toothed or lobed. Ecology. Ruellia simplex (Mexican bluebell, Mexican petunia, or Britton's wild petunia) is an herbaceous perennial (USDA Hardiness Zone 8–11) in the family Acanthaceae. The present invention relates to a new and distinct cultivar of Petunia plant, botanically known as Petunia X hybrida and hereinafter referred to by the name ‘BBTUN10102’.. The new Petunia cultivar is freely flowering with trailing and spreading plant habit and attractive leaf and flower coloration. The new Petunia Cultivar denomination: ‘BBTUN10102’. Petunias have large blooms and need enough room to develop fully and stay healthy. A new and distinct Petunia plant named ‘BBTUN04401’, characterized by its upright to outwardly spreading and mounding plant habit; vigorous growth habit and rapid growth rate; freely branching habit; dense and bushy plant form; early and freely flowering habit; white-colored flowers with yellow green-colored venation and centers; and excellent garden performance. They come in a myriad of colors and availability. Leaf Length - … The Differences Between Wave & Cascading Petunias. 2016). You can almost always find a color to compliment your décor or other flowers in your landscape. Course(s): HORT 1193/1293, HORT 2355 Million bells (Calibrachoa) is an annual flower that's planted in the spring in most growing zones and blooms nonstop from spring to frost without the need for deadheading.It is most commonly grown in containers or hanging baskets, where it spills gracefully over the sides with a dense trailing habit rather than a spindly one.Million bells plants also attract hummingbirds and butterflies. If you are growing petunias in a pot, aim to have up to 3 plants in a pot that measures 10–12 inches (25–30 cm). Bud Color - Reddish-brown, with several imbricate scales. Petunias put the summer back into summer as they fill your garden beds and containers with … Introduction. Space petunia plants about 3 inches (7.6 cm) apart. Flowers freely but each flower blooms for only one day. The tubular flowers are favoured by some Lepidoptera species, including the Hummingbird hawk moth. 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