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Denver Rose Society Events:


Monthly Rose Information:

Saturday, February 14, 1:00 pm
Regular Meeting
Program: Roses 101
A panel of DRS Consulting Rosarians
Denver Botanic Gardens Plant Society Building
1007 York Street
Visitors and guest welcome


Saturday, March 14, 1:00 pm
Regular Meeting
Program: Rose Tales While Working at Jackson and Perkins
Roger Heins, retired VP of Sales at J&P
Denver Botanic Gardens Plant Society Building
1007 York Street
Visitors and guest welcome


Saturday, March 21, 9:00 am - 12:30 pm
Annual Educational Rose Symposium
Keynote Speaker: Matthew Douglas, Owner of High Country Roses
Program: Favorite Roses from a Professional Grower
Denver Botanic Gardens Mitchell Hall
1007 York Street
Free with paid admission to the gardens

 Join the Denver Rose Society for only $15

All Denver Rose Society members receive

  • The Rose Window newsletter (Feb.-Nov.)

  • Discount on Mile-Hi Rose Feed.

  • Option to purchase the educational booklet Growing Roses in Colorado for the wholesale price.

New members receive a complimentary 4-month trial membership to the American Rose Society.

Membership levels:

  • Individual E-newsletter membership dues - $20 per calendar year

  • Individual Plus E-newsletter membership dues - $20 for first member plus $5 for each adult, household member per calendar year

  • Individual hardcopy newsletter via USPS membership dues - $25 per calendar year

  • Individual Plus hardcopy newsletter via USPS membership dues - $25 for first member plus $5 for each adult, household member per calendar year

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 Consulting Rosarian Tips for December:

We are having an especially dry winter so far and your roses next extra water.  On warm days (over 45 degrees), water roses midday before another cold spell to ensure that the roots are hydrated. Roots suffer more in dry soil than in wet soil.  Water slowly so that it soaks into the soil 8 - 12 inches.  See Betty Cahill's blog post on Winter Watering .  

Winter protection helps to shield roses from freezing, from the drying winter winds, and to lessen the effects of the freeze/thaw cycles as spring emerges. When roses are exposed to pro-longed periods of low temperatures (23 degrees or lower), they go into a state of dormancy. Roses with southern exposure or ones planted against a brick wall are less vulnerable and would require minimal protection. Shrub roses and own root roses are hardier and can do well with minimal-to-no winterizing, while rose varieties such as hybrid teas, some modern roses, or minis will benefit from winter protection.

Once we’ve had a few nights with temps in the teens or 20s, but before single digits, you can protect your semi-hardy roses by using a few shovels of dirt to cover the base of the rose, especially if the graft is exposed. If your roses are exposed to the elements, a rose collar can be purchased or you can make one using wire and place about 12 to18 inches of mulch inside. When applying winter mulch, be sure that air and water can get down to the roots, so apply loosely—do not pack the mulch. After roses become dormant, evaluate rose canes. If they are taller than 3 feet, you may want to consider cutting them back to prevent breakage from heavy snows.

For rose questions, contact a Consulting Rosarian in your area.

Photo courtesy of Scott Dressel-Martin

Joan Franson, our beloved longtime member who has contributed immeasurably through her time and talents to the Denver Rose Society over the years, passed away on October 17, 2014.   We know that you share in our grief but also in celebrating her extraordinary life and accomplishments.

A blog post from Panayoti Kelaidis, Senior Curator and Director of Outreach, Denver Botanic Gardens

Read about Joan in this article, written by Susan Clotfelter, printed  in the February 15th, 2014 edition of The Denver Post.

Growing Roses In Colorado, 10th Edition








The book, Growing Roses in Colorado, published by the Denver Rose Society is a "must have" for those who want to grow beautiful roses successfully.  Get a glimpse inside Growing Roses in Colorado.  Available at area garden retailers and gift shops. For wholesale inquiries please contact Betty Cahill at

Retail locations that sell the GRIC book

2014 Roses in Review Results

Every year, the American Rose Society conducts a survey of roses and how they grow in garden around the nation.  The results for the Rocky Mountain District are in.  See what rose growers in Colorado, Wyoming, Idaho, Montana and Utah have to say about recent introductions.  Use this information to help you decide which roses to plant next year. 







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Website last updated: 12/15/2014 08:31:34 PM