General Plant Information (Edit)
Plant Habit: Cactus/Succulent
Vine
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 10a -1.1 °C (30 °F) to +1.7 °C (35 °F)
Plant Height: Twines and climbs 8 to 15 feet or more
Leaves: Evergreen
Other: Leaves are 4 inches long, 2 inches wide with wavy margins
Flowers: Showy
Fragrant
Flower Color: Pink
Red
Other: Burgundy
Bloom Size: 3"-4"
Flower Time: Late spring or early summer
Summer
Suitable Locations: Houseplant
Resistances: Humidity tolerant
Propagation: Other methods: Cuttings: Stem
Containers: Needs excellent drainage in pots
Miscellaneous: Epiphytic

Image
Common names
  • Honey Plant
  • Wax Plant
  • Porcelain Flower

Photo Gallery
Location: My Garden
Date: 2012-11-22
Fully open blooms.
Location: My Garden
Date: 2012-11-19
This is Hoya imperalis var. Rauchii Buds
Location: My Garden
Date: 2013-12-04
Location: Edinburgh Botanical Garden
Date: 2009-07-12

Date: 2009-07-10

Date: 2009-03-03
Location: SRQHoyas
Hoya imperialis Mary's Cottage Palawan SRQ 3173
Location: SRQHoyas
Hoya imperialis Pink SRQ 3088
Location: SRQHoyas
Date: 2015-02-10
Hoya imperialis Pink SRQ 3088
Location: SRQHoyas
Date: 2015-02-10
Hoya imperialis Red SRQ 3099
Location: SRQHoyas
Hoya imperialis Red SRQ 3099
Location: SRQHoyas
Hoya imperialis var. rauchii SRQ 3101
Location: SRQHoyas
Hoya imperialis Mary's Cottage Palawan SRQ 3173
Location: SRQHoyas
Hoya imperialis Pink SRQ 3088
Comments:
  • Posted by mjsponies (Central Florida) on Aug 25, 2014 1:41 PM concerning plant:
    This Hoya really likes a lot of light. Mine gets morning sun, then dappled sun/shade the rest of the day. It produces some of the largest blooms of the species.
    It thrives in a warm or hot and humid atmosphere, but has done just fine in my greenhouse in winter, where temps. can and do sometimes drop into the low 50's overnight. I give it a bright corner of the greenhouse and have had it bloom right up through Christmas. Doesn't like to dry out during the hot summer months, but should be allowed to dry out a little bit during the slower winter months. Also, a heavy feeder in summer.
  • Posted by plantladylin (Sebastian, Florida - Zone 10a) on Dec 5, 2011 9:28 PM concerning plant:
    This was a Hoya I received in trade as a small plant that grew to a very large size. Unfortunately I never got to enjoy seeing blooms as I lost the plant to the 2010/2011 winter freeze.
Plant Events from our members
MySecretIslandGarden On March 8, 2023 Obtained plant
2nd plant PLAHC
MySecretIslandGarden On January 21, 2023 Maintenance performed
Outside on Patio.
MySecretIslandGarden On November 4, 2022 Transplanted
In clay pot with rattan trellises
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