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Sacramento Historic Rose Garden September 2013 Vol. XIII, No. 1 Preserving California’s Heritage Roses ROSE PROPAGATION TIME In this issue: On Saturday, September 14 at 10 a.m., Kathryn Propagation P 1 Mackenzie will conduct a class on propagating roses. Class Kathryn is one of our most successful propagators and has many techniques and tips to share with those who Shade- P 1 want to try their hand Tolerant at growing their own Roses roses. She will dem- Maintenance P 3 onstrate specific Report techniques using cut- Int’l Heritage P 4 tings from our own Rose Confer- collection. ence The class will be held Redouté At P 7 in the Historic Rose The Library Garden and will be- gin at 10 a.m. Please California’s P 8 park across the Lady Water- street. low MADE IN THE SHADE By Anita Clevenger Conditions in the Historic Rose Garden have changed over time. The garden's site was selected by Fred Boutin because there was very little shade (roses generally need at least six hours of sun a day to perform their best). However, City staff planted valley oak ( Quercus lobata) trees along the carriageways about twenty years ago, C E M E T E R Y R O S R E E R Y C O M T E E shortly after the rose garden was established. These trees are now maturing; their roots are heaving pavement and plot surrounds and their dense canopies are causing roses to decline in their shade. Penelope In other parts of the garden, we now have more sun. Most of the rose garden's huge old elm trees have been removed be- cause of disease and decline. It's been interesting to watch the roses respond. For example, ‘Mutabilis’ was a small plant for many years. Was it because of the shade from the elms, or be- cause its vigor was reduced by its infection with Rose Mosaic Virus? After two elm trees were removed, the question was answered. 'Mutabilis' has more than doubled in size, and blooms at least twice as much. (Continued on page 6) September 2013 EDITORIAL As Labor Day traditionally ends summer vacation time, we end another summer with the Historic Rose Garden looking as fine as it ever has; mild weather (relatively for Sacramento) and lots of volunteer ef- fort has contributed to the late summer beauty. We’re all looking forward to the Autumn flush with deeper colors and more intense fragrances. Events in the Historic Rose Garden Now we begin the planning, planting and organizing for fall events and next spring’s Open Garden. This Deadheading at Dusk Monday, September 9 annual event has generated more and more visitors 6:00 p.m. each year and has expanded to include all garden ar- eas in the Cemetery. Propagation Class Saturday, September 14 We’ve got it down to a pretty well-organized event, 10 a.m. but there’s still a lot of work to be done. The roses we Fall Color in the Rose Garden Tour sell, for example, provide funding to carry on the Saturday, November 23 maintenance of the garden, irrigation and structures. 10 a.m. This means a number of volunteers propagate and grow out cuttings from the roses to be sold next Rose Pruning Class spring. If you are interested in being one of these vol- Saturday, December 7 unteers, now is the time. 10 a.m. PruningHEADLINE Party Attend Kathryn Mackenzie’s class on September 14 to January 18 (rain date Jan 25) learn the latest techniques and requirements to be- SUB-HEAD. SUB-HEAD. 2014 Open Garden come an off-site mini-nursery. While I have not SUB-HEAD. SUB-HEAD. grown as many roses as other volunteers, I find it Saturday, April 12 gratifying to try my hand at propagating and growing 9:30—2:00 plants the sales of which will benefit the garden next spring. Come join the fun. COMMENTS OVERHEARD IN THE ROSE GARDEN Comments, questions, suggestions Anita received a note from a Rose Garden visi- Judy Eitzen tor from Long Beach in July. It read: [email protected] Hello! You are doing an incredible job on this historic site! I am a member of the Orange County Rose Society. Keep up the good work! E. Trujillo Diane Fenster, another visitor who resides in Pacifica sent an email telling of the success of our roses grown in her garden on the coast. See Shady Rose article for details. 2 September 2013 MAINTENANCE REPORT Anita Clevenger The garden has done well through a rather odd sum- been lovely interspersed with dark red and pink mer, with mostly below-average temperatures inter- scabiosa and blue-purple salvia. Japanese aemone is rupted by a blast of triple-digit days in early July. getting ready to bloom. We've had tall, dark red hol- lyhocks blooming in a few plots. The Sheriff's crew Spider mites can suddenly take over in mid-summer has kept the California poppies trimmed back, and heat, and take over they did during this year's heat we've been rewarded with more repeat bloom than wave. They sucked dry the leaves of R. soulieana ever before. We are now in process of cleaning up and wreathed its branches in webs. The infestation the iris, which looks shabby this time of year. The is unsightly but the rose responded well to repeated crew cut the watsonia to the ground, and green blasts of water and quickly pushed new growth. We spiky leaves are already starting to come back. keep an eye on R. webbiana and “Petite Pink,” both of which have had mite problems in previous sum- Weed control efforts are endless. The Sheriff's crew mers. They fared better this year. keeps digging out nutsedge, week after week after week. If you read old rose books such as Gertrude Jekyll's Roses for an English Garden , the authors advocate The crew dug out 'De La Grifferaie' in plot 546. It “syringing” the roses. That term is even used in had been overtaken by seedlings from the nearby R. some contemporary rose literature. No, they are not canina. They also removed 'Renae' from the south talking about a giant hypodermic needle. side of the mausoleum, where reflected heat caused “Syringing” is simply a forceful spray of water to re- the rose to continue to die back. We have been re- duce insect pests and some diseases. This simple ducing some of the big climbing roses in preparation remedy is still one of the most effective ways to con- for fall and winter wind. 'Souvenir de Mme. Leonie trol mites, aphids, and powdery mildew. It's also one Viennot' had begun to topple its structure. We cut of the more pleasant ways to spend time on a hot about two-thirds of the rose back, and straightened summer morning. You can knock off dead blossoms and stabilized the structure with concrete. The rose and leaves, reduce dust (which encourages spider looks bare right now, but we left enough old canes to mites), and refresh both the garden and the gar- produce a nice spring bloom on this once-blooming dener in the process. rose. We've been working to clear the walkways and to We've been babysitting about twenty roses to plant trim roses off the monuments. Marty Stroud prom- in the cemetery later this fall. Watch the next news- ised earlier this summer that we'd be able to bowl letter for a list. down the aisles, and he's just about made that possi- All of this work has been done by a hardy few volun- ble. We've asked the Sheriff's crew to continue to teers and crew members. We need more help! Come mow and edge the paths, and have received many join us on Tuesday and Saturday mornings, or at compliments from visitors and city staff about how Deadheading at Dusk on September 9. well the garden is looking. We have deadheaded many of the more visible re- peat-blooming roses. We cut all of the hips off one of YOU CAN HELP the 'Gloire des Rosomanes' in early August, and will watch it to see if we get increased repeat blooms and You can help occasionally or regularly – any if the plant sets hips in time for the “Fall Color” tour. contribution of your time will be helpful. If We've left the hips on the other“GdR” plants be- you are not available on Tuesday or Saturday cause they are so decorative. and would like to help at other times, let me Companion plants are another key to our garden's know. Email me at [email protected] , or loveliness. They take some added effort, but are call my cell at 916-715-7294. worth it. We planted “Peacock Orchid” in the corner plot, botanically name Gladiolus callianthus or Aci- danthera. The white, sweet-smelling flowers have 3 September 2013 INTERNATIONAL HERITAGE ROSE CONFERENCE Judy Eitzen A very special conference was held in Sangerhausen, The conference also focused on the development of Germany in June with two Historic Rose Garden vol- certain roses, specifically: British rosarian Charles unteers in attendance; Anita Clevenger and Judy Quest-Riston spoke of the popularity of the hybrid Eitzen. Several other rosy friends also attended; all tea which grew from the 19 th century preference for of us really enjoyed our visit and the conference. the hybrid perpetual; Patricia Cavallo & Dominique Massad from France talked of the Nabonnand family The Europa-Rosarium in Sangerhausen celebrated of rose breeders; also from France, Odile Masquelier 110 years in 2013 with this conference and a number spoke of real people for whom roses were named and of special events.