Photo by Melody

PlantFiles: Gardenia, Cape Jasmine, Gandharaj
Gardenia jasminoides 'Frostproof'

Family: Rubiaceae
Genus: Gardenia (gar-DEEN-ya) (Info)
Species: jasminoides (jaz-min-OY-deez) (Info)
Cultivar: Frostproof

Synonym:Gardenia angusta
Synonym:Gardenia augusta
Synonym:Gardenia florida
Synonym:Gardenia grandiflora
Synonym:Gardenia radicans

10 vendors have this plant for sale.

12 members have or want this plant for trade.

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4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

4-6 ft. (1.2-1.8 m)

USDA Zone 8b: to -9.4 C (15 F)
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)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Light Shade
Partial to Full Shade


Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Blooms repeatedly


Other details:
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Provides winter interest
Suitable for growing in containers

Soil pH requirements:
5.6 to 6.0 (acidic)

Patent Information:
Unknown - Tell us

Propagation Methods:
From herbaceous stem cuttings
From semi-hardwood cuttings
From hardwood heel cuttings
By simple layering
By air layering

Seed Collecting:
Unknown - Tell us

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4 positives
No neutrals
1 negative

Gardeners' Notes:

Positive claire25 On Jan 3, 2013, claire25 from Salisbury, MD wrote:

This seems easy to grow--it's my first and only gardenia and I've had it for a couple years. I have it outside, in full sun on the south side of my house in my naturally extremely sandy soil. It gets supplemental watering only during severe droughts--I basically don't mess with it other than raking in one "dose" of Hollytone around it in the spring. It seems to have a fairly short flowering period, but it is a handsome evergreen shrub that smells like heaven when it does bloom. I am planning on taking cuttings this spring to spread more of this plant around my yard.

Positive Apalmtree On Jan 16, 2012, Apalmtree from New York, NY wrote:

Frostproof gardenias have done really well for me in New York City. Mine survived one winter that went down to 5F and still look green today after a low temperature of 12F this winter in early January. I get lots of blooms in late spring and sometimes I get scattered blooms in the summer as well. I dont give it any extra care.
It seems like they start to get light damage below 10F, but bounce back well making them great in zone 7 and up.

Positive Southernbell421 On Aug 17, 2011, Southernbell421 from Ocala, FL (Zone 9a) wrote:

I planted the Frostproof in March 2011. The location I chose to put it in was partial to full shade and as of August 2011 it has done very well. I water it lightly every day and it has been happy with that. Living in the deep South I only have to worry about the cold temps that can hit my area (which can hit in the low 20's) so I won't know until Winter time how bad it can be bothered by the cold. I am hoping with it being planted under a canopy of oak trees that it will be okay. It flowered once for me this Summer and the flowers were pretty. I love Gardenia plants and have several of the Mystery Gardenia also and they have done very well and gotten large.

Positive plantfreak78 On Jul 22, 2010, plantfreak78 from Rolesville, NC (Zone 7b) wrote:

This plant performed quite well for our nursery in our display gardens for the past three years. It does discolor a little bit during the winter but has still survived even in an unprotected location. Blooming is heaviest in early to mid-June with a light sprinkling of repeat blooms through summer.

Negative esteve59 On Jun 9, 2010, esteve59 from Annapolis, MD wrote:

Mine is about a 18" bush but has not flowered....maybe next year ??


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

Moody, Alabama
Citrus Heights, California
Wilmington, Delaware
Lake City, Florida
Ocala, Florida
Danielsville, Georgia
Pembroke, Georgia
Baton Rouge, Louisiana
Salisbury, Maryland
Brooklyn, New York
Staten Island, New York
Davidson, North Carolina
Hillsborough, North Carolina
Philadelphia, Pennsylvania
Conroe, Texas
Tyler, Texas
Arlington, Virginia
Glen Allen, Virginia
Seattle, Washington

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