Originating in Indo-China, these compact gesneriads, affectionately referred to as "pets", have blooms reminiscent of wild violets and symmetrical growing habits. We find that they grow very well with low to medium light levels, cooler temperatures, and a minimum of water and fertilizer. Requirements for artificial lighting would be around 8 to 10 hours. They will do well on the bottom shelf of "light stands" and near the end of the fluorescent light tubes. Use a light, porous potting mix, and grow them in small pots! Let the soil become fairly dry between waterings. They also do very well when "wick watered." Feed plants regularly, using a well balanced fertilizer, at ΒΌ tsp. per gallon of water, with every watering.
15 products found.
Petrocosmea - 'Asa Blue'
Sibling to Imperial Butterflies, selected due to floriferousness, blooms heavily and young. Same cross (nervosa x flaccida). Can get large. (Photo courtesy of T. Tuttle)
(Nakayama)
Petrocosmea - 'Chidori'
Cute litte hybrid with tiny, soft, pebbled, leaves. Blooms are periwinkle blue with white throat, very tiny upper lobes, larger lower lobes.
(Okuto)
Petrocosmea - 'Fluffer Nutter'
Cute little variety with perfectly growing, soft, fuzzy leaves. Does not bloom easily, but the foliage is very nice.
(Stork)
Petrocosmea - 'Keystone's Belmont'
Dark purple flowers with a white halo in the center of the flower and extra purple petals in the center...a semidouble flower. (A cross between the hybrid 'Asa Blue' x begoniifolia.) (Photo courtesy of T. Tuttle)
(Tuttle)
Petrocosmea - 'Keystone's Bluejay'
Large deep green round leaves with silvery 'curly Q' configuration in the center of the rosette. Large blue flowers with dark purple blotch. Flowers have six or seven lobes as opposed to typical five lobes. (P. sericea x minor veined leaf form) Won First place 'New hybrids' and 'Second Best Plant in Show' at recent AV and Gesneriad Society of Western NY show - March 2010. (Photo courtesy of T. Tuttle)
(Tuttle)
Petrocosmea - 'Short'nin' Bread'
Medium green leaves covered with silver hairs give the foliage a soft, fuzzy look. Forms a perfect rosette. Lavender flowers.
(Stork)
Petrocosmea - cavaleriei
Deep velvety green leaves, silver undersides. Flowers blue lobes, white throat. Stays compact. (A newly collected species from China.) (Photo courtesy of T. Tuttle)
(Species)
Petrocosmea - cryptica
(Previously listed as rosettifolia) Shiny, ovate, forest green leaves with lighter veining and distinctive hair. The sweet little white flowers, sport five lower lobes and a short upper throat. One of our most popular varieties!
(Species)
Petrocosmea - flaccida
Dark violet blooms, waver above medium green foliage, that's just hairy enough to give this variety a distinguished silvery look.
(Species)
Petrocosmea - kerrii
Cordate, quilted leaves are velvety green, and attractively covered with white hairs. Flowers with dainty upper petals are creamy yellow and lower petals are white.
(Species)
Petrocosmea - menglianensis
Glossy, pointed, very pebbly and tiny leaves that form a perfect rosette. Tiny, pale lilac blooms.
(Species)
Petrocosmea - minor
Shiny, bright green, quilted leaves, shape perfectly beneath the cute, wild violet blooms. A must have for your collection!
(Species)
Petrocosmea - sp. 'China 2005'
LOTS of deep blue flowers, white throat...very floriferous. A species imported in 2005 from China... closely related to P. cryptica (formerly rosettifolia) (Photo courtesy of T. Tuttle)
Petrocosmea - sp. 'HT-2'
Medium green, round foliage, forms a perfect rosette. Dainty, lavender-blue blooms.
(Species)
Petrocosmea - sp. 'Yumebutai'
A collected species from China, that came to an attendant at the Yumebutai Garden Center in Japan... hence the name. Large rosettifolia type leaves with lots of deep purple flowers. Flowers heavily when mature. (Photo courtesy of T. Tuttle)
(Species)
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