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    • Rose Sawfly
    • Rose Bloom Balling
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Amanda's Blog

Amanda's Garden Consulting Company

Pruning & Training Grapes in Winter

13/1/2018

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grape plants,pruning grapes,winter pruning grapes,January gardening,thegardenwebsite.com,the garden website.com,Amanda Jarrett
Grape vines grow quickly and are very productive so proper pruning and training is a good idea.
​Pruning grapes is not a fine art as they are tough little cookies, but they are more productive and less unruly with correct pruning and training. Harvesting becomes easier, grapes are fewer but are larger, there's less problems with diseases plus they ripen faster.  
​
Let’s start at the beginning when you first bring a grape plant home. Although it is maybe tempting to give it a good haircut, don’t. It is important for the plant establish a good framework and a good root system before any trimming takes place. 
grape plants,pruning grapes,winter pruning grapes,January gardening,thegardenwebsite.com,the garden website.com,Amanda Jarrett
Grape vines grown on an arbor is so Mediterranean, however pruning them is a bit arduous.
​Grape plants are woody vines and need a support such as a fence, arbor or horizontal post system. I have mine growing along a 6 foot fence and it works quite well. I initially used a thin gauge wire to train the vining stems, however, this proved inadequate. In just a couple of years, the wires sagged and broke under the weight of the fruit laden stems. Arbors are another alternative and evoke images of a Mediterranean garden as the grape clusters dangle down from a leafy canopy. Pruning and securing the plant is more arduous though as you need a ladder to maintain it.  
grape plants,pruning grapes,winter pruning grapes,January gardening,thegardenwebsite.com,the garden website.com,Amanda Jarrett
Vitners grow their grapes on sturdy wire using a horizontal post system.
grape plants,pruning grapes,winter pruning grapes,January gardening,thegardenwebsite.com,the garden website.com,Amanda Jarrett
Vineyards in the Okanagan are judiciously pruned and trained so they produce big bunches of delicious grapes.
​An efficient grape support is a wire trellis. To make one, sink sturdy posts into the ground 10 feet apart with intermediate posts every two feet. The posts should be 5 feet above the ground. Run one 9 gauge wire horizontally between the posts a couple of feet apart at the top. Add another one about 2 feet above the ground if you wish to another level for the vines to grow upon.
grape plants,pruning grapes,winter pruning grapes,January gardening,thegardenwebsite.com,the garden website.com,Amanda Jarrett
Remove all branches except for the one or two sets of branches at the first initial pruning. Then remove all side shoots to a few buds.
The first pruning should be done in winter. This is to establish a basic framework. Select the sturdiest stem that is growing more or less upright to become the main trunk. Tie it to the main support. Once the main stem reaches the top wire, cut it back to two strong buds. Those buds will become the 'arms' reaching in opposite directions along the wire. As the buds develop into stems, tie them to the wire as they grow. If you have a two wire system, look for two strong stems that arise closest to the lower wire and tie them to their support.

grape plants,pruning grapes,winter pruning grapes,January gardening,thegardenwebsite.com,the garden website.com,Amanda Jarrett
Limit the branches that grow from the main trunk except for the 'arms' that are trained along the structure or wire.
grape plants,pruning grapes,winter pruning grapes,January gardening,thegardenwebsite.com,the garden website.com,Amanda Jarrett
Remove all branches except for the main stem and 1 or 2 sets of 'arms'.
grape plants,pruning grapes,winter pruning grapes,January gardening,thegardenwebsite.com,the garden website.com,Amanda Jarrett
Grape vines should have one main trunk.
As the 'arms' grow, new shoots will grow along their stems. These new stems will grow with gusto producing many grape clusters. If they are not cut back, the grapevine will become a monster and the grape clusters will be many but the grapes themselves will be small. To increase the size of the grapes and to control its growth,cut back any side shoots to a couple of buds (nodes) on each of those side stems.  ​​
grape plants,pruning grapes,winter pruning grapes,January gardening,thegardenwebsite.com,the garden website.com,Amanda Jarrett
Cut back all side shoots to a few buds and any extra branches.
If your grape plant is more mature, and it needs remedial pruning, determine which stem is your main upright trunk and which are its ‘arms’. Select the most vigorous stems. Remove all other growth; just keep the main trunk and the horizontal arms. Tie them to their support if they are not secure. Cut back all the side branches emerging from the arms to 2 to 4 buds. These buds should develop into fruiting spurs, where the grapes will develop. Once all the side shoots are cut back to a 2 to 4 buds, thin the side shoots so they are about 10 to 12 inches apart.  
grape plants,pruning grapes,winter pruning grapes,January gardening,thegardenwebsite.com,the garden website.com,Amanda Jarrett
Cut back side shoots to a few buds. This is where future grapes will develop.
When it comes to training a grape vine on an arbor, pergola or other overhead structure, plant at least one on each side of the structure. That is all you need if the structure is small, however for larger ones, consider planting one at each support post or every other one depending on the distance between the posts. Prune the winter after planting.  Cut back the main stems to just beyond where you want the plant to branch out, about 2 feet off the ground. Remove all the remaining side shoots. When the main trunk starts to branch out, select the most robust ones and tie them to their support. For remedial pruning and training for older grape vines, select the healthiest main stems.  Keep one or two main stems on each plant and tie them to their support (or just twine the vines around their support). Remove all the side shoots of the main stems to a 2 to 4 buds (nodes). If any of the main stems are long enough, guide them over top the trellis and secure. 

There are numerous methods of pruning grape plants, but this method is not too complicated and it works. More on pruning grapes as the season progresses.

grape plants,pruning grapes,winter pruning grapes,January gardening,thegardenwebsite.com,the garden website.com,Amanda Jarrett
My Coronation grapes look as good as they taste.
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    Archives

    Here are some of my previous blog postings. They cover a wide range of topics from bugs to my botanical excursions and conventions. Click on whichever interests you on the titles below for easy navigation. 
    • ​Building a French Kitchen (Potager) Garden
    • Colourful Fall Plants
    • Tomato Taming
    • Speeding up Tomato Harvests
    • Saving Tomato Seeds
    • Plant Rusts
    • Dunbar Garden Club Garden Tour 2020
    • Rose Bloom Balling
    • ​Types of Roses
    • Easy Roses Do Exist.. Really!​
    • Easy Vegetable Garden Trellis 
    • Tomato Seedlings to Plants
    • Video: How to Divide Dahlias 
    • Video: How to Plant a Tree
    • Video: How to Prune a Grapevine in Winter
    • Damping Off - A Seedling Killer!
    • Lawns: ​Seeding, Sowing, Renovating
    • Lawn Grub Control
    • Tuberous Begonias 101
    • Dahlias 101
    • Pruning in Winter
    • Pruning & Training Grape Vines in Winter
    • Insects & Diseases Control with Dormant Spray
    • Dealing With Drought
    • Heritage Vancouver 7th Annual Garden Tour
    • Growing Potatoes
    • Pruning Shrubs into Trees
    • 10 Steps to Festive Planter
    • Christmas Tree Selection 
    • Collecting & Saving Seeds
    • Heritage Vancouver 6th Garden Tour
    • The Dunbar Garden Tour 2018
    • Dart's Hill, A Garden Park
    • VanDusen Botanical Gardens Visit
    • Tall Kale Tales
    • Northwest Flower & Garden Show, Seattle
    • Pruning in Winter
    • Pruning & Training Grape Vines in Winter
    • Insects & Diseases Control with Dormant Spray
    • Why Christmas cactus Don't Blossom
    • A Quickie Festive Swag
    • Putting the Garden to Bed
    • How to Drain Soggy Soil
    • A Visit to the Arizona - Sonora Desert
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    • Saving Geraniums, Coleus, Bougainvilleas & Other Tender Plants 
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    • Oops... Wrong Plant, Wrong Place
    • I Had An Ugly Lawn...​
    • ​How to Make a Christmas Elf
    • Houseplant Winter Care
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  • Home
  • About, Services, Contact
  • Ask Amanda
  • Roses
    • Types of Roses
    • Easy Roses
    • Climbing Roses
    • Portland's Rose Test Garden
    • Rose Insects & Diseases
    • Pruning Roses
    • Rose Sawfly
    • Rose Bloom Balling
  • Pruning Basics 101
    • Pruning Tools
    • Winter Pruning
    • Pruning Grapes
    • Pruning Clematis
    • Prune Your Own Garden Registration
  • Lawn Basics
    • Lawn Reno, Seed & Sod
    • Lawn Maintenance Schedule
    • Spring Lawn Care
    • Moss in Lawns
    • Lawn Alternatives
    • Lawn Grub Control
  • Mulch & Mulching
    • Living Mulches - Groundcovers
  • Propagation
    • Growing Seeds Outdoors
    • Growing Seeds Indoors
    • Taking Cuttings
    • Seed & Plant Catalogues
  • How to Garden Topics
    • Fall Garden Chores
    • Planting Know-How
    • Soil Building
    • Watering Tips & Techniques
    • Drought Gardening
    • Sheet Mulching, Lasagna Gardening
    • Cover Crops
    • Composting
    • Compost Tea
    • Houseplant Winter Care
    • Hummingbirds in Winter
    • Winterize Your Garden
    • Ponds in Winter
  • Growing Food
    • Spring Veggie Gardening
    • Crop Rotation, Succession & Companion Planting
    • Harvesting
    • Growing Potatoes
    • Winter Veggie Gardening
    • Taming Tomatoes
    • Speeding up Tomato Harvest
    • Tomato Tips
    • Saving Tomato Seeds
    • Tomato Troubles
  • Plant Pests 1
    • Plant Pests Part 2 - Controlling Insects
    • Garden Inspections
    • Helping Pollinators
    • Dogwood Anthracnose
    • Viburnum Leaf Beetle
    • Dormant Oil/Lime Sulfur
    • Japanese Beetles
    • Peony Blotch/Measles
    • Slugs & Snails
    • Horsetail, the Weed
    • June Beetle
    • Powdery Mildew
    • Soil Solarization
    • Rhododendron Leaf Spot
    • Plant Rusts
    • Black Knot
  • Container Growing
    • Choosing a Container
  • Feeding Plants 101
    • Fertilizers & Ratios
    • Nutritional Deficiencies & Toxicities
    • Organic Plant Food
  • Plant of the Month
    • Spring Flowering Bulbs
    • Colourful Fall Plants
    • Abelia
    • American Sweetgum
    • Ash (Fraxinus) Trees
    • Astilbes
    • Aubretia, Rock Cress
    • Aucuba, Japanese Spotted Laurel
    • Autumn Crocus
    • Bear's Breeches
    • Beautyberry, Callicarpa
    • Black-eyed Susans
    • Bleeding Heart, Lamprocapnos spectabilis
    • Calla Lilies
    • Dahlias
    • Daylily
    • Delphiniums
    • Devil's Walking Stick, Aralia spinosa
    • Dwarf Alberta Spruce
    • Dwarf Burning Bush
    • Evergreen Clematis
    • Fall Asters
    • Flowering Currants
    • Flowering Quince
    • Fritillaria
    • Garden Peonies
    • Garden Phlox
    • Ginkgo biloba
    • Grape-hyacinths
    • Handkerchief or Dove Tree
    • Harry Lauder's Walking Stick
    • Heathers
    • Hellebores, Lenten roses
    • Himalayan Sweet Box
    • Jack-in-the-pulpit, Cobra Lily
    • Japanese Anemones
    • Japanese Forest Grass
    • Japanese Maples
    • Japanese Skimmia
    • Japanese Spurge
    • Laurustinus viburnum
    • Lavenders
    • Lily-of-the-Valley Shrub, Pieris japonica
    • Mediterranean Spurge
    • Mexican Mock Orange
    • Montana Clematis
    • Mountain Ash
    • Oriental Poppies
    • Oriental Lilies
    • Paperbark Maple
    • Pink Dawn Bodnant Viburnum
    • Poinsettias
    • Oregon Grape Holly
    • Ornamental Kale
    • Peruvian Lily, Alstroemeria
    • Phalaenopsis, Moth Orchids
    • Persian Silk Tree
    • Portuguese Laurel
    • Rose of Sharon
    • Sneezeweed, Helenium
    • Snowberry
    • Snowdrops
    • Star Magnolia
    • Strawberry Tree, Pacific Madrone
    • Stewartia
    • Torch Lily, Kniphofia uvaria
    • Tree Peonies
    • Tuberous Begonias
    • Virginia Creeper
    • Weigela
    • Winterhazel, Corylopsis
    • Winter Camellia, C. sasanqua
    • Wintergreen, Gaultheria procumbens
    • Witch Hazel
    • Wood Anemones
    • Yews
  • Garden Tour Blogs
  • Monthly Flower Arrangements
  • Website Index
  • Subscribe
  • Need Help?
  • Garden Club Events