Diamond Frost®

Plant in sun or partial shade

12 - 18

Euphorbia
P Allen Smith Platinum Collection
Current Rating****1/2

Diamond Frost®
Euphorbia
Euphorbia

Award Winner
Proven Winners
P. Allen Smith Hot 21
Top Seller

I want to thank my parents, my breeder, and especially the millions of fans who have made me the Most Award Winning Plant in Proven Winners History. At my 2005 debut I was just a new, 12 -18 inch Proven Winners Euphorbia. I never imagined my career would last. I suppose it’s because of my annual nature (except in zones 10 – 11). At first, I thought you liked me solely for my incredible, continuously blooming clouds of airy white flowers. But as I grew in more containers and landscapes across North America, you praised my mounded habit, and how well I tolerate heat and drought. My versatility both as a single and in combinations. Others spoke of how easy I am to grow. In letters you wrote of my ability to stay beautiful without deadheading. And I was deeply touched by your appreciation of my deer resistance.

Without you, I would still be just another plant in the unforgiving world of commercial horticulture. If I could, I would keep you with me in the full to part shade forever.

"A Real Simple magazine – Top 10 goofproof Plant"

Gardener’s Rated this plant:
4.32
****1/2
Rate this Plant

Features

Heat- and drought-tolerant plants; clouds of airy white flowers all season; low maintenance
• Adaptable as a Houseplant
• Best Seller
• Deadheading Not Necessary
• Deer Resistant
• Drought Tolerant *
• Heat Tolerant
• Landscape (Professional)
• Landscape Plant
• Must Have

*Even drought tolerant annual and perennial plants will need water for the first few weeks while they get established. Shrubs and trees will need to be watered for the first year after they are planted. After this, little or no supplemental water will be necessary when planted in the ground. No plant is truly drought tolerant in a container; water is necessary for all plants in containers.

Ornamental Characteristics

Flower Color:
White
Foliage Color:
Green
Garden Height:
12 - 18"; Medium
Spacing:
10 - 12"
Habit:
Mounded
Trials Up To:
24
Container Plant Style:
Filler - Intermingles well with other plants to fill in the middle ground of a combination

Plant Needs

Duration:
Annual
Bloom Time:
Planting to Frost
Zones:
Annual except in zones 10 - 11
What is my zone?
Hardy Temp:
40°F (4°C)
Exposure:
Plant in sun or partial shade
Water Needs:
Dry to Normal
Maintenance:
Easy
Uses:
Landscapes and containers
Plant alone or in combinations in all container types and landscapes

Patent Information

Diamond Frost® Euphorbia 'Inneuphdia' USPP17,567, Can. 2830

Growing Tips

Diamond Frost is moderately salt tolerant - it can withstand the amount of salt encountered when planted 30 feet or more from the source of the salt.

Self-cleaning, no deadheading necessary.

Some shedding of flowers and leaves may occur indoors depending on light levels and watering.

Plants in the spurge family often will bleed a milky, white sap if cut or wounded. This sap is a form of latex. Most people will have little or no reaction due to sap exposure from the euphorbia that Proven Winners sells. However, people with sensitive skin or latex allergies should be cautious when handling euphorbia. Poinsettias are in this same family. If you have ever experienced a skin irritation due to contact with poinsettias you should be cautious with all euphorbia.

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See what other people are saying about Diamond Frost!
Year Award Trial
2005 Top Performer University of Illinois-Champaign County Master Gardeners
2005 Classic City Awards University of Georgia
2008 Top Performer Maywood Estate
2008 Best Overall Impression Oregon State University
2008 Most Consumer Appeal Oregon State University
2004 Best New Plant Penn State
2007 Top Rated Performer City of Cedar Rapids
2004 Top Performer Kansas State University
2004 Excellent Rating Massachusetts Horticultural Society at Elm Bank
2008 Exceptional Rating University of Georgia
2007 Leader of the Pack Summer North Carolina State, JC Raultson Arboretum
2007 Best Old Variety Penn State
  Diamond Frost has been selected a superior plant for a number of years at the Penn State Trial and deserves this title again. A. Michael, Penn State
2005 Leader of the Pack Late Season North Carolina State, JC Raultson Arboretum
2008 Top Performer in Ground Kansas State University
2005 Top Performer Ohio State University - Columbus
2004 Best of 2004 Ohio State University - Columbus
2008 Top Performer Oklahoma State University Botanical Gardens
2004 Best of Breed North Carolina State, JC Raultson Arboretum
2004 Best of Show Penn State
2004 Flame Proof Dallas Arboretum
2004 Gardeners Choice National Arboretum
2008 Leader of the Pack Summer - Late Season North Carolina State, JC Raultson Arboretum
2008 Leader of the Pack Summer - Early Season North Carolina State, JC Raultson Arboretum
2009 Prairie Star Kansas State University
2008 Excellent Rating Powell Gardens
  There is a reason why this wispy plant is "in". It is a great performer, when it did start to slow down we gave it a summer crew cut and within 2 weeks it was back in full glory. Great in containers or in beds, a true summer winner.
2005 Prairie Star Kansas State University
2004 Best of the Best University of Georgia
2004 North Texas Winners Circle Dallas Arboretum
2007 Rising Star Dallas Arboretum
2007 10 Fuss Free Plants Midwest Living
2008 Best of the Best University of Georgia
2008 Top Performer Michigan State University
2004 North Texas Winners Circle Texas A & M - East Texas Bedding Plant Trial
2006 Best Varieties Colorado State University
  …an attractive uniform mound covered in delicate tiny white flowers, great for mixed containers and it never went out of flower. It received the "Best of Show" award in 2004, 2005 and again in 2006.
2004 Top !0 Auburn University
2005 Trial Manager's Favorite Colorado State University
2007 Best of Breed - Winter North Carolina State, JC Raultson Arboretum
2009 Top Consumer Choice - Winter University of Florida - Fort Lauderdale
2007 Best Old Variety University of Georgia
2005 Very Good San Antonio Botanic Garden
2004 Best New Performers Oklahoma State University Botanical Gardens
2007 Knock Your Socks Off University of Georgia
2004 Consumer Preferred Variety Ohio State University - Columbus
2006 Best Annuals at the Zoo Cincinnati Zoo and Botanical Garden
2009 Gold Medal Champaign County Illinois Master Gardener Idea Garden
2004 Superior Penn State
2005 Superior Colorado State University
2006 Best of Trials University of Florida
2005 Top Performer Norfolk Botanical Garden
2007 Top Performer Ohio State University Extension - Springfield
2005 Top Performer Kansas State University
2007 Top 10 North Carolina State, JC Raultson Arboretum
2007 Best of Breed North Carolina State, JC Raultson Arboretum
2005 Leader of the Pack Summer North Carolina State, JC Raultson Arboretum
2007 Prairie Star Kansas State University
2005 Best of Breed North Carolina State, JC Raultson Arboretum
2007 Best of the Zoo Cincinnati Zoo and Botanical Garden
2007 Top Pick Cornell University
2004 Supertior Rating Colorado State University
2009 Top Performer University of Minnesota
2005 Best Old Variety Ohio State University Extension - Springfield
2005 Top 5 Performer Ohio State University Extension - Springfield
2005 Top 5 Performer Penn State
2005 12 New Annuals People, Places and Plants
2007 Leader of the Pack Early Season North Carolina State, JC Raultson Arboretum
2007 Leader of the Pack Late Season North Carolina State, JC Raultson Arboretum
2006 Best of Trials - Spring University of Florida
2006 Best of Trials Flowering - Summer University of Florida
2006 Top Performer Michigan State University
2004 Top 10 Auburn, Cullum Site
2008 Top 10 Sawaya Garden Trial
2004 Classic City Award University of Georgia
2004 Leader of the Pack Summer North Carolina State, JC Raultson Arboretum
2009 Leader of the Pack for Summer North Carolina State, JC Raulston Arboretum
2009 Leader of the Pack - Late Summer North Carolina State, JC Raulston Arboretum
2009 Leader of the Pack - Early Season North Carolina State, JC Raulston Arboretum
2007 Top Performer Michigan State University
2005 Top Performer Turtle Bay
2007 Top 10 Mississippi State University
2007 Top Consumer Choice Ohio State University - Columbus
2007 Top Performer Ohio State University - Columbus
2006 Gardeners Choice National Arboretum
2004 Leader of the Pack Late Season North Carolina State, JC Raultson Arboretum
2006 Top Pick Dallas Arboretum
2006 Gold Medal University of Illinois-Champaign County Master Gardeners
2007 Top Performer Smithsonian Institution
  Winner, Winner, Winner
2006 Gardeners Choice Smithsonian Institution
2006 Plants to Love Better Homes and Gardens
2006 Leader of the Pack Summer North Carolina State, JC Raultson Arboretum
2004 Top 5 Performer Ohio State University Extension - Springfield
2009 Good Rating Linnaeus Teaching Garden
2009 Top Performer Mississippi State University
2008 Leader of the Pack Summer North Carolina State, JC Raultson Arboretum
2009 Gardener's Pick South Coast Botanic Garden
2009 Top Performer summer Michigan State University
2009 Top Performer - Late Summer Michigan State University
2009 Top Performer University Laval
2007 Outstanding Rating Boerner Botanical Garden
  Another very welcome addition to the garden for bedding, planters and even hanging baskets
2008 Top Performer Ohio State University Extension - Springfield
2006 Leader of the Pack Late Season North Carolina State, JC Raultson Arboretum
2006 Best of Breed North Carolina State, JC Raultson Arboretum
2006 Top Performer University of Minnesota - Grand Rapids
2007 Excellent Rating Massachusetts Horticultural Society at Elm Bank
2006 Excellent Rating Massachusetts Horticultural Society at Elm Bank
2006 Top 14 Mississippi State University
2009 Best Performer Kansas State University
2006 Leader of the Pack Early Season North Carolina State, JC Raultson Arboretum
2009 Best Friend Forever Virginia Tech
2009 Top Performer Ohio State University Extension - Springfield
2006 Top 25 Ohio State University Extension - Springfield
2006 Best of the Best University of Georgia
2006 Knock Your Socks Off University of Georgia
2006 Best of Show Colorado State University
2004 Top Performer Texas A & M - East Texas Bedding Plant Trial
2006 Top Performers Colorado State University
2007 Top Performers University of Minnesota
2009 Top Performer - Growers Ohio State University - Columbus
2004 Top Performer Mississippi State University
2009 Top Performer University of Kentucky Arboretum
2009 Top Performer Kansas State University
2007 Top Performer Kansas State University
2006 Best New Varieties City of Cedar Rapids
2004 Trial Coordinator Top Pick Ohio State University - Columbus
2006 Excellent Rating Longwood Gardens
2004 Trial Managers Pick Penn State
2008 Excellent Rating Boerner Botanical Garden
  Very welcome and versatile garden plant.
2009 Prairie Star Kansas State University
2009 Best Varieties Penn State
2009 Top Performer Norfolk Botanical Garden
  LOVE IT!
2009 Top Performer University of Kentucky Arboretum
2009 Top Performers Delaware Valley College, Henry Schmieder Arboretum
Top Performer Sawaya Garden Trial
2004 Top 5 Performer University of Georgia
2006 Top Overall Performers Ohio State University - Columbus
2006 Consumer Choice Ohio State University - Columbus
2004 Most Innovative Plant of the Show Salon du Vegetal Exhibition, Angers, France
2004 United Kingdom Product of the Year Grower of the Year Awards, London, England
2006 Top Performers City of Cedar Rapids
2008 Best in Class Penn State
2008 Top Peformer Penn State
2005 Top Pick Dallas Arboretum
2006 Superior Variety Penn State
2006 Best of Species Penn State
2006 Best of Show Penn State
2006 Top Rated Performer Virginia Tech
  Love it, as does the rest of the planet. H. Scoggins, VA Tech
2009 Oklahoma Proven Plant of the Year Oklahoma Greenhouse Growers
2008 Silver Medal Ohio State University Extension - Springfield
  ...a 3 year winner - making it a real "Diamond"!
2004 Top Performer Missouri Botanic Garden
2006 Field Day Top Pick Dallas Arboretum
2005 High Performer University of Florida
2006 Les Exceptionelles Jardin Daniel A. Seguin
2006 Top Performer Jardin Daniel A. Seguin
2006 Outstanding Rating Boerner Botanical Garden
2005 Top Performer Mississippi State University
2007 Rising Star Dallas Arboretum
2008 Top 10 Delaware Valley College, Henry Schmeider Arboretum
2007 Top 10 University of Minnesota-St. Paul
2008 Excellent Rating Massachusetts Horticultural Society at Elm Bank
2009 Excellent Rating Boerner Botanical Garden
  Choice for borders, beds, planters or rack gardens in full sun.
2008 Top Performer University of Georgia
2008 Top Performers - Flowers University of Delaware
2004 Arboretum Approved Dallas Arboretum
2007 Silver Medal University of Illinois-Champaign County Master Gardeners
Anything Goes
Exposure
Sun
Pot Size
20 inches
Color Scheme
Vibrant Mix

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High & Mighty
Exposure
Sun
Color Scheme
Pastel Mix

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Niagra Falls
Exposure
Shade
Color Scheme
Earth Tones

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Lickety Split 2
Exposure
Sun
Pot Size
12 inches
Color Scheme
Pastel Mix

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CS Summer Basket 2
Exposure
Sun
Color Scheme
Pastel Mix

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CS Spring Upright 3
Exposure
Sun
Color Scheme
Vibrant Mix

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1 - Unsatisfied Did not survive, inferior performance or did not bloom well - won't grow again.
2 - Marginally Adequate Performed below expectations but may be willing to try again.
3 - Satisfactory Average performance, met expectations but not outstanding.
4 - Above Average Superior performance, among my favorites, would recommend to others.
5 - Outstanding My favorite plant, I recommend to others all the time and explain the reasons why I like it so much.
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