Petrocosmeas

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.

Image Item Price
Petrocosmea - 'Asa Blue'

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)
$9.99

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Petrocosmea - 'Chidori'

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)
$8.99

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Petrocosmea - 'Keystone's Belmont'

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)
$9.99

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Petrocosmea - 'Keystone's Bluejay'

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)
$9.99

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Petrocosmea - 'Rosemary Platz'

Petrocosmea - 'Rosemary Platz'

Large, silvery lavendar flowers, yellow and white throat. Leaves are a glossy deep green, with lighter veining. (A cross between P. cryptica (formerly rosettifolia) x sericea.)
(Photo courtesy of T. Tuttle)
(Tuttle)
$9.99

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Petrocosmea - 'Short'nin' Bread'

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)
$8.99

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Petrocosmea - 'Yuki No Sei'

Petrocosmea - 'Yuki No Sei'

Description pending.
(unknown)
$8.99

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Petrocosmea - barbata 'Keystone'

Petrocosmea - barbata 'Keystone'

Mutation of standard barbata (above). Large, pure white flowers, lobes more pointed, and with a big deep yellow spot in the throat. Larger plant than typical barbata.
(Photo courtesy of T. Tuttle)
(Tuttle)
$8.99

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Petrocosmea - cavaleriei

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)
$9.99

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Petrocosmea - flaccida

Petrocosmea - flaccida

Dark violet blooms, waver above medium green foliage, that's just hairy enough to give this variety a distinguished silvery look.
(species)
$8.99

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Petrocosmea - kerrii

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)
$9.99

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Petrocosmea - minor

Petrocosmea - minor

Shiny, bright green, quilted leaves, shape perfectly beneath the cute, wild violet blooms. A must have for your collection!
(species)
$9.99

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Petrocosmea - sp. 'China 2005'

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)
(species)
$9.99

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Petrocosmea - sp. 'No. 5'

Petrocosmea - sp. 'No. 5'

Glossy, thick leaves similar to 'minor' except with deep veining. Flower stems are quite fuzzy with silver hairs. Flower color is purple & white with a dark purple spot in the throat.
(species)
$8.99

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Petrocosmea - sp. 'Yumebutai'

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)
$9.99

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