Photo by Melody

PlantFiles: Daphne
Daphne x transatlantica 'Summer Ice'

Family: Thymelaeaceae
Genus: Daphne (DAF-nee) (Info)
Species: x transatlantica
Cultivar: Summer Ice
Additional cultivar information: (D. caucasiac X D. collina)

2 vendors have this plant for sale.

6 members have or want this plant for trade.


Unknown - Tell us

24-36 in. (60-90 cm)

USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
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)

Sun Exposure:
Full Sun

All parts of plant are poisonous if ingested

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer

Grown for foliage

Other details:
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From semi-hardwood cuttings

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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There are a total of 11 photos.
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4 positives
1 neutral
No negatives

Gardeners' Notes:

Positive bobbieberecz On May 13, 2014, bobbieberecz from Concrete, WA wrote:

This daphne has done very well for me. It's about 4 years old and has reached it's 36" height. Even when there are only a few flowers opened, the scent fills the air from many feet kind of plant. It gets plenty of winter water in our NW corner of Washington state and summer heat of 90's up to 102* for weeks at a time. All morning sun to about 2 or 3 PM then shade from the house. This was a particularly hard winter for us (down to 4*) for a couple of weeks. This plant survived (though it lost it's leaves and had some tip die-back) where others failed. Blossoms weren't as many as in years past but I see more forming. Mine repeat blooms all summer and into the fall. Sandy loam soil with highly nutritious mulch and regular watering all summer. Love my Daphne!

Positive slowgardener On Apr 3, 2013, slowgardener from Birmingham, AL wrote:

They seem to want a struggle...perhaps for the drainage? Ours is facing down slope, in a rock border. It loves shade in the summer/fall heat yet full sun in the winter, when overhead trees have lost their leaves. (A nursery owner told me the largest daphne he'd ever seen was planted under a stairway.) Don't shy away from this plant! It is a gem in the southern garden & will become a favorite. Guests can smell it from 20 feet away & small clippings are so appreciated in February when little else is blooming.

Neutral aasalas On Sep 1, 2012, aasalas from Lewes, DE (Zone 7b) wrote:

We had two of these doing beautifully, growing and blooming strongly, for 3 years. Then this summer, at different times (about 6 weeks apart), in different locations, both simply died. Location/water/etc. would seem to be perfect for them. When they died, it was sudden. This is a weekend place, and the plant was beautiful, blooming, healthy (by all appearances) one weekend, and the next it was all brown.

Update: I just learned of Daphne Sudden Death Syndrome -- a common problem with nearly all Daphnes.

Positive aegir On May 4, 2010, aegir from Bethesda, MD wrote:

I wanted "Carol Mackie" but nursery guy steered me to this one. Thanks nursery guy. Great shrub, has survived both dry and very snowy winters and is growing like gangbusters. I have it as a foundation plant on shady north side of house with lots of indirect light. The blooms are super fragrant and fill the house when you open the window, the foliage is cool especially in the shade and pairs well with hostas, pieris, and azaleas. One of my favorite shrubs.

Positive Todd_Boland On Nov 24, 2004, Todd_Boland from St. John's, NL (Zone 5b) wrote:

This hybrid is a step above 'Beulah Cross'. It is similarly variegated in white but has the added attraction of grey-green leaves, making this daphne attractive even as simply a foliage plant.


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

Birmingham, Alabama
San Leandro, California
Bethesda, Maryland
Salem, Oregon
Bellevue, Washington
Cathan, Washington
Concrete, Washington
Kalama, Washington
Seattle, Washington
Vancouver, Washington

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