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Petunia seeds germinate in 5 to 15 days. Petunias can tolerate relatively harsh conditions and hot climates. They need at least five hours of sunlight every day. They grow well in low humidity, moist soil. Young plants can be grown from seeds. Petunias should be watered once every two to five days. In drier regions, the plants should be watered ...
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, [9] [10] as well as with Calibrachoa.
calibrachoa "million bells" in a hanging basket hybrid 'Superbells Strawberry Punch'. Calibrachoa is a genus of plants in the Solanaceae (nightshade) family.They are evergreen short-lived perennials and subshrubs with a sprawling habit, with small petunia-type flowers.
We consulted gardening experts to learn about the best indoor plants for various uses and gathered some tips on how to get your green space going.
Ruellia simplex is an evergreen perennial growing 3 ft (0.91 m) tall, forming colonies of stalks with lance-shaped leaves that are 6 to 12 in (15 to 30 cm) long and .5 to .75 in (1.3 to 1.9 cm) wide. The flowers are metallic blue to purple, trumpet-shaped with an about 2 in (5.1 cm)-wide, five-lobed corolla .
Petunia violacea Lindl. has been reported to be used as a hallucinogen in Ecuador, where the plant has the vernacular name shanín.The drug is said to cause sensations of levitation and flight – a type of hallucination often associated with the use of the more toxic hallucinogenic plants of the deliriant type; e.g., the tropane-containing Atropa and Hyoscyamus, active constituents of the ...