Proven Winners from Ed Sobkowich Greenhouses

Proven Winners®

Proven Winners® are top-performing plants, featuring robust health, disease-resistance, easy growth, and long-lasting colour.

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Proven Selections from Ed Sobkowich Greenhouses

Proven Selections

A collection of popular flowers, shrubs, and varieties with unique textures and colourful foliage.

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Proven Harvest from Ed Sobkowich Greenhouses

Proven Harvest

The Proven Winners® line of garden edibles.

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About Us

About Us

With 160,000 square feet of growing space, Sobkowich Greenhouses is a leading propagator in Eastern Canada, all year round.

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Proven Winners®

Proven Winners®

Sobkowich Greenhouses is one of 2 licensed propagators of Proven Winners® Annuals and Perennials, Proven Selections®, and Proven Harvest™

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Other Products

Other Products

Sobkowich Greenhouses also offers a variety of Spring Cuttings, Seedling Plugs, and Cyclamen Liners to meet your needs.

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Where to Buy

Where to Buy

Find out where you can buy plants grown by Sobkowich Greenhouses for gardeners who want high-quality plants grown in Southern Ontario.

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Licensed Proven Winners® Wholesale Greenhouse 

Since 1964, Ed Sobkowich Greenhouses Ltd. has provided high-quality plants to nurseries and garden centres in the Niagara Region and across Eastern Canada.

For over 20 years, our family-run greenhouse has been one of only two licensed Canadian propagators of the Proven Winners® family of products. Our cuttings come from elite stock sources so we can deliver the quality you deserve and have come to expect.

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From the Greenhouse

Read the latest news and updates from Ed Sobkowich Greenhouses.

Daniel A. Sequin Garden

Daniel A. Sequin Garden

This year's panel of gardening professionals chose eight plants to receive the honour of being Les Exceptionelles, and two of the eight are in our 2021 new annuals lineup! 

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September 2020 - Photo of the Month

September 2020 - Photo of the Month

When it comes to Salvia, Proven Winners has got you covered. With varieties that range in colour from the loveliest whites to the brightest fuchsia there is a salvia for everyone.

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Meet The 2021 National Annual Plant of the Year

Meet The 2021 National Annual Plant of the Year

The 2021 National Annual Plant of the Year is just one of the outstanding varieties that Proven Winners will be dedicating significant marketing dollars to this spring. Help build the excitement!

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Sobkowich Greenhouses Propogates Proven Winners® Plants

Featured Products By Sobkowich Greenhouses


Proven Winners® Cleome

Proven Winners® Cleome

$0.00

Qty.


Proven Winners® Hypoestes

Proven Winners® Hypoestes

$0.00

Qty.


Proven Accents® Dichondra

Proven Accents® Dichondra

$0.00

Qty.



View All Proven Winners® Products

(905) 945-8870