Photo by Melody

PlantFiles: Hybrid Tea Rose
Rosa 'Electron'

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Electron
Additional cultivar information: (PP3226, aka Mullard Jubilee)
Hybridized by McGredy; Year of Registration or Introduction: 1970

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4 members have or want this plant for trade.

Hybrid Tea


24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
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)
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)

Bloom Color:
Deep pink (dp)

Bloom Shape:
Tea shaped

Flower Fragrance:
Very Fragrant

Bloom Time:
Late Spring/Early Summer
Blooms repeatedly


Patent Information:

Other Details:
Stems are moderately thorny

Pruning Instructions:
Blooms on new wood; prune early to promote new growth

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

Propagation Methods:
From softwood cuttings
From semi-hardwood cuttings
From hardwood cuttings
By grafting
By budding

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By QueenB
Thumbnail #1 of Rosa  by QueenB

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Thumbnail #2 of Rosa  by alicewho

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Thumbnail #3 of Rosa  by Bill_Watt

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By Calif_Sue
Thumbnail #7 of Rosa  by Calif_Sue

There are a total of 13 photos.
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3 positives
2 neutrals
No negatives

Gardeners' Notes:

Positive litisk On Jun 27, 2010, litisk from Gold Canyon, AZ (Zone 8b) wrote:

An absolutely brilliant, beautiful rose. I highly recommend this rose.

Positive HolyChickin On Jun 1, 2010, HolyChickin from Fort Lauderdale, FL wrote:


It's like a beacon amongst my hybrid teas! The color is outstanding! The pictures do NOT do it justice... it's even brighter than my white roses!

I bought this rose as an own root juvenile from a grower. For almost a year, it didn't bloom at all (probably because it was too young). I was growing dissapointed (I seriously thought I was doing something wrong) with it until about two months ago, I finally saw a single bud. It was WELL worth the wait! It hasn't stopped blooming since! It's still shrimpy... but since it is getting a bit older, once a spent bloom comes off, it's already working on another. I can only imagine how it is going to perform when it is full grown.

I live in S. Florida, which means blackspot is a major problem. Even roses labeled "disease resistant" will get blackspot. Seriously, every hybridizer should test in S. Florida for disease/pest resistance because it's EXTREME. The Electron for some reason, was hardly ever effected by it (at the time, I was doing it "au natural" and not using any chemical treatments... I would simply remove the affected leaves.). When all the rest of my bushes had 3 or 4 leaves, the Electron was going strong! I am completely amazed as I have had some hybrid teas croak due to all the rain and humidity. So, this is one tough little bush for sure!

Before I bought it, I read up on it... some people have said they have had this bush in their garden for over 20 years. Now I know why, it's beautiful and hardy.

UPDATE: Sadly, my Electron is not doing so well. My entire garden was recently infested with spider mites (is there anything more evil than these things?!?!). Did every treatment known to man and STILL the spider mites were present. I finally got rid of them with a hosing of AVID miticide and an application a few days later of Spectracide Immunox Plus (good stuff right there). Unfortunately, the damage was done and my Electron is on the brink of death. Almost all of the leaves are wilted, or damaged in some way by the mites. Now, I have some dying canes, canes that are wilting away... it may not make it. If by some miracle it bounces back, then it is one SUPER TOUGH bush! From the looks of it though... it's pretty bleak. **cries**

NEW UPDATE: My Electron totally kicked the bucket... the Spidermites won. They also took a few others with them. :( Bummer because it took forever to get big enough just to bloom. I waited a few months to replace it and finally did just a short 2 months ago. I decided this time though, to buy two (2 is always better than one) because it was incredibly hard to find. They will probably take about a year to get big enough to bloom.

Neutral Joan On Aug 31, 2009, Joan from Belfield, ND (Zone 4a) wrote:

Editor's Note

Plant Patent number 3226 has expired
Positive DawnG On Jun 7, 2005, DawnG from Chardon, OH (Zone 5a) wrote:

Electron has been growing in my parent's rose garden (which is now mine) for about 25 years. It's still one of the strongest rose plants in the bed and has one of the strongest fragrances. Like all hybrid tea roses in Northeast Ohio, it often dies down to the ground in cold winters, but it bounces back with beautiful blooms by mid-June. It does have large and quite numerous thorns, but I think that's its only downfall.

Neutral Paulwhwest On Aug 25, 2004, Paulwhwest from Irving (Dallas area), TX (Zone 8a) wrote:

Bred in Northern Ireland. Won the RNRS Gold Medal in 1969, the The Hague Gold Medal and the Golden Rose in 1970, the Belfast Gold Medal in 1972, the All-America Rose Selection in 1973, the Portland Gold Medal in 1973, and the Court of Show Honor in 1999, and again in 2001.

Seed: Paddy McGredy
Pollen: Prima Ballerina


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

Jonesboro, Arkansas
Beaumont, California
Boulder Creek, California
San Jose, California
San Leandro, California
Fort Lauderdale, Florida
Decatur, Illinois
Church Point, Louisiana
Brunswick, Missouri
Hawthorne, New Jersey
Chardon, Ohio
Aiken, South Carolina
North Augusta, South Carolina
Shepherd, Texas
Olympia, Washington

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