Photo by Melody

PlantFiles: Butterwort
Pinguicula 'Weser'

Family: Lentibulariaceae
Genus: Pinguicula (ping-WIK-yoo-la) (Info)
Cultivar: Weser

One vendor has this plant for sale.

3 members have or want this plant for trade.

Tropicals and Tender Perennials
Carnivorous and Insectivorous

under 6 in. (15 cm)

6-9 in. (15-22 cm)

USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Sun to Partial Shade


Bloom Color:

Bloom Time:
Blooms repeatedly


Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)

Patent Information:

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From leaf cuttings
From seed; sow indoors before last frost
From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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By Mitjo
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Gardeners' Notes:

Neutral Weezingreens On Dec 6, 2002, Weezingreens from Seward, AK (Zone 3b) wrote:

This carnivorous plant forms a semi-erect rosette of sticky diamond-shaped leaves that may turn a coppery color in bright light. Hapless insects are caught in the gooey droplets along the upper edges, then digested by the plant for nutrients. 'Weser' is a hybrid with dark pink blooms.

Pinguiculas are generally perennial plants, but there are some annuals. 'Weser' is a hybrid of the moranensis which is native to Mexico, Central America and the Caribbean. In its natural habitat, this plant would grow in fog-shrouded forests on the trunks of trees or on mossy limestone cliffs.

These Pinguiculas are some of the easiest to grow. They have heterophyllus leaves, the summer leaves being carnivorous and the winter leaves being succulent, and not carniverous. When in the carnivorous state, keep this plant humid (60%) and warm (above 68 degrees F.). During the non-carnivorous state, keeping it cooler and dryer.

Keep the plant medium moist, but allow for drainage. Trapping water with a tray can promote root rot. Let it dry out a bit between waterings. Opinions vary on the best growth method. Some growers utilize wood or wire covered with moss, others a coarse rock mixture.


This plant has been said to grow in the following regions:

Chicago, Illinois

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