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Monthly Rose Information:

Saturday, November 8,  9:30 am
Annual Awards Brunch

Join us for our last meeting of the year.  It is sure to be a brunch full of rose fun along with some special awards and installation of the 2015 officers.  Registration form.

Balistreri Vineyards
1946 E 66th Ave
Denver, CO 80229

 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

Membership Form



Join our email list for information on upcoming events!




 Consulting Rosarian Tips for November:
f there are any signs of blackspot or powdery mildew lingering in your rose garden, sanitize by removing diseased leaves to eliminate the potential of harboring spores over the winter. When roses have gone dormant, you may use a fungicide spray to get rid of diseases by spraying the rose bush, around the surface area of the rose, and the surrounding areas that could harbor diseases.

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.

On warm days during a dry winter, water roses midday before another cold spell to ensure that the roots are hydrated. Roots suffer more in dry soil than in wet soil.

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.

Read about Joan

This article, written by Susan Clotfelter, was 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: 10/31/2014 05:34:20 PM