![]() ![]() A rookie looking primarily for a beautiful garden display will find a program that calls for spraying every 2-3 weeks will be adequate. As a rose show exhibitor, most exhibitors spray weekly during the weeks surrounding the show. Some people spray at least every two weeks during the prime rose growing seasons (February to mid-June and in September and October). So the point is to establish a regular program aimed at prevention, in the case of disease, and early detection and control, in the case of pests. Established pest populations are very difficult to get back into control established diseases are even more difficult to eradicate. The key to any effective pest and disease control program is regularity. How often should I try to get rid of pests and disease? ![]() In San Diego County, you can start pruning just about anytime after Christmas and through about Valentine’s Day. January is the time to plant and prune roses. Fill the hole back up with the mixture, pack in the soil, and water regularly until the rains come. If the soil looks as if it might have some life to it save about half of it and mix it with a good organic planting mix. Clear out the rocks and roots in the removed soil. Dig a hole about two feet in diameter and 2 feet deep for each plant. If you are growing roses in pots, anytime of the year is great! Mark out the location in the ground of the roses using the spacing described above. If you intend to add new roses this year, the best month to plant new roses in the ground is in January. How should I prepare the soil for planting a rose? Climbers require even more room, 4-6 feet apart and a structure on which to grow. In San Diego, the proper spacing for large roses is at least 3 feet from the center of the rose. Therefore roses should not be planted too close together or too close to walls. The best companion for a rose is another rose. Although in theory this can provide a nice English garden look, be certain that it makes the job of caring for your roses tougher. You also need to be cautious of the practice of planting “companion plants” among roses. Tree roots choke roses, rob them of nutrients and the canopy deprives them of the sun. The biggest natural enemy of the rose is the tree. Do not plant under trees or too close to large shrubs. Roses do not like to compete for sun, water or fertilizer with other plants. Also, there are subtle differences in morning and afternoon sun and as a general rule morning sun is better. The sun moves across the sky in the south, so a Southern exposure is preferred. Select a location where your roses will get sun about half the day. ![]() Anywhere from four to six hours of sun per day. Roses are sun plants and will not prosper in deep shade. If you’d like to start with the basic FAQs for growing roses in San Diego, read on… Where do I start? What do I feed them? How do I protect their health? To answer these and other beginner questions, download this helpful PDF guide: The Rookie Rosarian But you have more questions than answers. You have planted a small rose garden and you'd like to grow good roses. $45 for non-members.To be added to the wait list, call (626) 405-3457. Shannon Curator of the Rose Collections at the Huntington Library, Art Collections, and Botanical Gardens focuses on the tools and techniques for “tackling this thorny task.” Participants get to practice their new-found skills in the Huntington’s rose garden, 1151 Oxford Road, San Marino. ![]() Rose pruning workshop by Tom Carruth, the E.L. and then moves to the rose garden for hands-on experience. Seminar starts at the center’s amphitheater at 9 a.m. Rose pruning seminar by Laura Weaver and Lynn Hillman, the rose experts at Roger’s Gardens, 2301 San Joaquin Hills Road, Newport Beach, demonstrating best pruning techniques, how to manage those long thorny canes, maximize blooms and reduce disease. San Marino City Arborist Ron Serven leads his 26th annual rose pruning workshop at Crowell Library, 1890 Huntington Drive, San Marino, discussing optimum pruning techniques and how to keep your roses healthy in drought or cold. Demonstration is free suggested $5 donation to enter the gardens. Rose pruning demonstration in the rose garden of UC Riverside’s Botanic Gardens, 1 Botanic Gardens Drive, Riverside (on the UCR campus), 1 to 3 p.m. ![]()
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