UC Nursery and Floriculture Alliance
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UC Nursery and Floriculture Alliance

From the UC Blogosphere...

UC Davis Lecture by Science Journalist Richard Harris: Why You Shouldn't Miss This

"Biomedical science was not always the hypercompetitive rat race that is has become in recent years. Consider the story of...

Posted on Friday, October 20, 2017 at 3:55 PM

Musical Flowers: Jockeying for Position

A black syrphid fly aims for the same Mexican sunflower, occupied by another syprhid fly. (Photo by Kathy Keatley Garvey)

You've heard of "musical chairs," that anxiety-driven elimination game involving chairs, music and players.  When the...

Posted on Thursday, October 19, 2017 at 5:00 PM

Autumn's Majesty: Tithonia

A Gulf Fritillary, Agraulis vanillae, lands on a Mexican sunflower. (Photo by Kathy Keatley Garvey)

If there's any flower that should be crowned "Autumn's Majesty," that would be the Mexican sunflower (Tithonia...

Posted on Wednesday, October 18, 2017 at 5:00 PM

Why This UC Davis Course Is Sweet

Home is where the bees are. A beekeeper at the Harry H. Laidlaw Jr. Honey Bee Facility, UC Davis. (Photo by Kathy Keatley Garvey)

"The bee hive is the ultimate home sweet home," Amina Harris, director of the UC Davis Honey and Pollination Center, ...

Posted on Tuesday, October 17, 2017 at 5:00 PM




Everything's coming up Roses!

By Jackie Woods  UCCE Master Gardener


I love roses and would like to plant a few in my landscape.  What basic information should I know before I begin this journey?   Cynthia M., Paso Robles.


Roses… a timeless symbol of love, sympathy or gratitude; an esthetically pleasing-to-the-eye flower that oftentimes produce intoxicating fragrances loved by many.  There are over a hundred species of roses and thousands of different cultivars or varieties.  Roses are easy to grow and, with a basic understanding of that they require, any garden enthusiast can be successful with growing them in their gardens.

There are many different varieties of roses.  Hybrid tea roses are a large bloom on a long stem.  (Double Delight, Mister Lincoln.)  Grandiflora are a combination of Hybrid tea and floribunda and can have one bloom per stem or cluster of blooms on a stem. (Gold Medal, Queen Elizabeth) Floribundas are shorter bushes with shorter cluster blooms but will sometimes bloom singularly. (Iceberg, Betty Boop.) Polyanthas are small bushes with clusters that are approximately one inch in diameter. (China Doll, The Gift.)  Other varieties include miniature, miniflora, tree, shrub and climbing roses.

Roses can be purchased in bare root or plant form.  Bare root roses are dormant, soil-less, leafless plants that are usually packed in moist sawdust for ease of storage and shipment.  With our mild Central Coast climate, the best time to plant roses is in early spring.   Pruning of existing rose plants should be done at the end of winter or in January- February with clean, sharp pruners. Cuts should be made ¼ inch above the bud eyes.  Throughout their growing months, prune off dead leaves, spent rose heads and sucker shoots as needed.  Feed roses in early spring and again in early summer.

If you want to know more about growing roses, please join us at the UCCE Master Gardener's Advice to Grow By workshop on Saturday, October 21, 2017 in our demonstration garden at 2156 Sierra Way, San Luis Obispo, 10:00 am to noon. Please visit our website to register at  http://ucanr.edu/sites/mgslo/. If inclement weather, please meet in the auditorium. If you would like to walk through our demonstration garden, docents will be available after the workshop until 1:00 p.m.

Posted on Monday, October 16, 2017 at 1:13 PM

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