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Drosera: The Sundews

The genus Drosera offers carnivorous plant enthusiasts a wealth of diverse species. Sundews are indigenous to a wide range of climatic zones, from the Canadian and Alaskan sub-Arctic to the steamy tropical rainforests of northern Australia.
     There are seven Drosera species of varying cold-hardiness native to North America, most of which will flourish in outdoor bog gardens. In order to determine if a sundew is winter-hardy outdoors, just compare the climatic zone of your area to the sundew's hardiness rating in the list below.
     There are also many sub-tropical and tropical species suitable for the indoor terrarium or a sunny windowsill. Also, certain species, such as Drosera capensis (Cape Sundew), are excellent beginner's plant, due to their ease of cultivation.
     Sundews are not fussy plants in regards to media; a 50/50 mix of peat moss and coarse sand works well for the majority of Drosera species.

 

Drosera: species, varieties and forms

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Drosera adelae
Origin: Tropical rainforests of Queensland, Australia.
Description: This species grows best in filtered sunlight or under florescent lights (good terrarium plant). 
Hardiness: Zone 10.
Price: $8.00

Drosera aliciae
Origin: Cape Province of South Africa.
Description: Circular rosette-type species with a diameter of up to 3 in (8 cm). Older specimens form clumps.
Hardiness: Zone 9
Price: $6.00

Drosera anglica
Origin: Europe, Japan, and North America including Alaska. Often occurs alongside Drosera rotundifolia.
Description: The paddle-shaped leaves form a small rosettes of 2 in - 3 in (5 - 7 cm) in diameter. 
Hardiness: Zone 5
Price: $6.00 - sold out -

Drosera binata
Origin: Australia and New Zealand
Description: The leaves of this fork-leaved species form an upright 'Y' shape up to 1 ft (30 cm) tall.
Hardiness: Zone  9 *Note: this species has over-wintered outdoors in the Pacific northwest (zone 8) 
Price: $7.00

Drosera capensis 'Typical'
Origin: Cape area of South Africa, which is the most southern region of the continent.
Description: A clump-forming sundew with raised leaves up to 6 in (15 cm) long. Red glands, pink flowers.
Hardiness: Zone 9 *Note: this species has over-wintered outdoors in our carnivorous bog garden (zone 8)
Price: $7.50

Drosera capensis 'Alba'
Origin: Cape area of South Africa, which is the most southern region of the continent.
Description: A clump-forming sundew with raised leaves up to 6 in (15 cm) long. White glands, white flowers.
Hardiness: Zone 9 *Note: this species has over-wintered outdoors in our carnivorous bog garden (zone 8)
Price: $8.00

Drosera capensis 'Red'
Origin: Cape area of South Africa, which is the most southern region of the continent.
Description: A clump-forming sundew with raised leaves up to 6 in (15 cm) long. Deep red plant, pink flowers.
Hardiness: Zone 9 *Note: this species has over-wintered outdoors in our carnivorous bog garden (zone 8)
Price: $8.50

Drosera dichotoma 'Giant'
Origin: Australia
Description: A large fork-leaved sundew. The leaves branch into multiple clumps; good for hanging baskets.
Hardiness: Zone 9 *Note: This species has survived a mild west coast winter in an outdoor bog.
Price: $11.50

Drosera falconeri
Origin: Northern Territory of coastal Australia.
Description: Rather weird-looking. Short stubby petioles with big oblong sticky traps on the ends.
Hardiness: Zone 12. We're talking really tropical here: 30 - 35 daytime Celsius. Hot & Humid, bright light.
Price: $18.00
- Sold out -

Drosera filiformis ssp. tracyi
Origin: The gulf states of southeastern USA.
Description: The long, thread-like leaves of this species, up to 10 in (25 cm) in length, are held vertically.
Hardiness: Zone 8 - 9. *D. filiformis occurs as far north as New England, but ssp. tracyi is not as cold-tolerant.
Price: $8.50

Drosera intermedia
Origin: Temperate forms are indigenous to Europe and eastern North America, from Newfoundland to Florida.
Description: This species produces a 1.5 - 2 in (4 - 5 cm) rosette of paddle-shaped blades atop a short stem.  
Hardiness: Zone 5
Price: $9.75 - sold out -

Drosera kennealyi (Lab says: kennealyii)
Origin: Northern Territory of coastal Australia.
Description: Long, thin petioles with round sticky traps at the end of the petioles.
Hardiness: Zone 12 (see D. falconeri). 30 - 35 daytime Celsius. Hot & Humid, bright light.
Price: $13.50 - Sold out -

coming soon

Drosera lanata
Origin: Northern Territory of coastal Australia.
Description: This wooly sundew displays a dense rosette formed by a plethora of slender, silvery petioles.  
Hardiness:
Zone 12 (see D. falconeri). 30 - 35 daytime Celsius. Tropical!  Hot & Humid, bright light.
Price: $1
3.50 - Sold out -

coming soon

Drosera multifida 'Extrema'
Origin: Southern Queensland, Australia.
Description: This multiple-branched leaves are up to 1 ft (30 cm) in length. Looks best in a hanging basket.   
Hardiness: Zone 9
Price: $9.75

Drosera rotundifolia
Origin: Europe, Japan, and North America including Alaska.
Description: A small, rosette-forming species with a diameter of 2 in up to 5 in (5 - 13 cm).
Hardiness: Zone 4
Price: $
6.00

Drosera spathulata
Origin: Australia, New Zealand, and southern Japan.
Description: A low-growing species. The spoon-shaped leaves form small rosettes of 1 in - 2 in (2.5 - 5 cm)  
Hardiness: Zone 9
Price: $7.50

Drosera x tokaiensis
Origin: Said to be a natural hybrid of D. rotundifolia x D. spatulata in Japan. We await further nomenclature.   
Description:   
Hardiness: Zone 9 (not frost-hardy) 
Price: $7.00

coming soon

Drosera venusta
Origin:
  South Africa.
Description: Rosette-type species with a diameter of up to 3 in (8 cm). Oval traps with bright red tentacles.    
Hardiness: Zone 9 (not frost-hardy)  
Price: $8.50