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Classes this weekend on roses, native-plant gardens

Invest some time in free master gardener workshops

Butter-yellow rose bloom
Lady Hillingdon is a tea rose introduced in 1910. Learn all about roses from the Placer County master gardeners this weekend. (Photo: Debbie Arrington)

The fall calendar fills up quickly, with so many potential events. At least with Zoom workshops, gardeners can get expert information without having to worry about traffic and parking.

Here are two excellent free online workshops by UCCE master gardeners this Saturday:

-- Successful Gardening with Native Plants, 9 a.m. to 10:30 a.m. Saturday on Zoom. The El Dorado County master gardeners present this class taught by Alice Cantelow.

Here's the description: "Do you love  wildlife, pollinators, and birds, and would like to enjoy their activities in your landscape?  Are you ready to lower your water bill, and spend less on fertilizers and pesticides as well?  Alice Cantelow will teach you how to choose and add colorful, easy care native plants to your garden."

Register here , and a Zoom link will be sent to you.

The El Dorado master gardeners have a busy calendar of fall events, including information meetings on master gardener training for El Dorado and Amador county residents:

-- Roses Zoom Workshop, 10:30 a.m to 11:30 a.m. Saturday. This event is presented by the Placer County master gardeners.

Here's what they say: "Hardy beautiful roses grow well in many places throughout the country. In this workshop you will learn about some of the origins of roses in America. You’ll become acquainted with the categories of roses for your landscape and learn that roses don’t have to be labor-intensive plants. You’ll learn to recognize some common pests and diseases associated with roses, and how you can safely manage them during different seasons of the year."

No pre-registration is necessary. The link for this workshop is here: and the passcode is: garden.

The full list of Placer County master gardener fall events can be found here:

-- Kathy Morrison


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Dig In: Garden checklist for week of Jan. 29

Bundle up and get work done!

* Prune, prune, prune. Now is the time to cut back most deciduous trees and shrubs. The exceptions are spring-flowering shrubs such as lilacs.

* Now is the time to prune fruit trees, except apricot and cherry trees. Clean up leaves and debris around the trees to prevent the spread of disease.

* Prune roses, even if they’re still trying to bloom or sprouting new growth. Strip off any remaining leaves, so the bush will be able to put out new growth in early spring.

* Prune Christmas camellias (Camellia sasanqua), the early-flowering varieties, after their bloom. They don’t need much, but selective pruning can promote bushiness, upright growth and more bloom next winter. Feed with an acid-type fertilizer. But don’t feed your Japonica camellias until after they finish blooming next month. Feeding while camellias are in bloom may cause them to drop unopened buds.

* Clean up leaves and debris around your newly pruned roses and shrubs. Put down fresh mulch or bark to keep roots cozy.

* Apply horticultural oil to fruit trees to control scale, mites and aphids. Oils need 24 hours of dry weather after application to be effective.

* This is also the time to spray a copper-based oil to peach and nectarine trees to fight leaf curl. Avoid spraying on windy days.

* Divide daylilies, Shasta daisies and other perennials.

* Cut back and divide chrysanthemums.

* Plant bare-root roses, trees and shrubs.

* Transplant pansies, violas, calendulas, English daisies, snapdragons and fairy primroses.

* In the vegetable garden, plant fava beans, head lettuce, mustard, onion sets, radicchio and radishes.

* Plant bare-root asparagus and root divisions of rhubarb.

* In the bulb department, plant callas, anemones, ranunculus and gladiolus for bloom from late spring into summer.

* Plant blooming azaleas, camellias and rhododendrons. If you’re shopping for these beautiful landscape plants, you can now find them in full flower at local nurseries.

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