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PlantFiles: Hoya, Wax Plant, Porcelain Flower
Hoya lacunosa

Family: Asclepiadaceae (ass-kle-pee-ad-AY-see-ee) (Info)
Genus: Hoya (HOY-a) (Info)
Species: lacunosa (lak-uh-NO-suh) (Info)

Synonym:Hoya lacunosa subsp. lacunosa
Synonym:Otostemma lacunosum

3 vendors have this plant for sale.

31 members have or want this plant for trade.

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Tropicals and Tender Perennials
Vines and Climbers

18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

3-6 in. (7-15 cm)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Light Shade


Bloom Color:

Bloom Time:
Blooms all year
Blooms repeatedly

Grown for foliage

Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
This plant is suitable for growing indoors
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)

Patent Information:

Propagation Methods:
From herbaceous stem cuttings

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Seed does not store well; sow as soon as possible

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By PanamonCreel
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There are a total of 21 photos.
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5 positives
No neutrals
No negatives

Gardeners' Notes:

Positive Chantell On Mar 17, 2009, Chantell from Middle of, VA (Zone 7a) wrote:

IF scent is your thing...this hoya is a must...absolutely gorgeous scent on these little blooms!!

Positive MsKitty On Jun 19, 2006, MsKitty from Chowchilla, CA (Zone 10a) wrote:

For those growing this as a houseplant in the Pacific Northwest, it flourishes in a west/southwest-facing window.

Positive pdoyle23323 On Jun 15, 2006, pdoyle23323 from Chesapeake, VA (Zone 7b) wrote:

Very strong perfume from this plant. Easy to grow.

Positive corossol On Jun 24, 2004, corossol from Dobbs Ferry, NY wrote:

Of 7 hoyas I have, lacunosa is the only one to bloom reliably.
It often blooms lightly in February and ,once the warm humid weather of SE New York State comes, pretty much continually. The scent is like cinnamon/hyacinth, and powerful. This plant needs humidity in the air more than heavy watering. DO NOT pull off the old blooms- the new ones sprout from them.

Positive PanamonCreel On May 29, 2004, PanamonCreel from Celaya
Mexico (Zone 10a) wrote:

Hoya lacunosa, Blume, published at Bijdragen tot de Flora von Nederlandsch Indie 1063 in 1826
belonging to Otostemma group of hoyas
Native to: Borneo, Malaysia, Indonesia, Java, Sumatra
Flowers are fragrant especially during late evening hours.
Easy to grow and flower.
Easy to propagate via cuttings .
Suitable for hanging baskets.
Keep well watered, avoid cold draft and cold temperatures (


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

San Diego, California
San Francisco, California
Santa Clara, California
Chiefland, Florida
Deland, Florida
Lakeland, Florida
Lutz, Florida
Miami, Florida
New Port Richey, Florida
Sarasota, Florida
Winter Springs, Florida
Akron, Ohio
Chesapeake, Virginia

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