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    • Abelia
    • American Sweetgum
    • Ash (Fraxinus) Trees
    • Astilbes
    • Azaleas, Deciduous
    • Aubretia, Rock Cress
    • Aucuba, Japanese Spotted Laurel
    • Autumn Crocus
    • Bear's Breeches
    • Beautyberry, Callicarpa
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    • Hellebores, Lenten roses
    • Himalayan Sweet Box
    • Hydrangeas, Mophead & Lacecap
    • Jack-in-the-pulpit, Cobra Lily
    • Japanese Anemones
    • Japanese Forest Grass
    • Japanese Maples
    • Japanese Skimmia
    • Japanese Snowbell
    • Japanese Spirea
    • Japanese Spurge
    • Japanese Zelkova
    • Kale, ornamental
    • Katsura Trees
    • Kousa Dogwood
    • Laurustinus viburnum
    • Lavenders
    • Lily-of-the-Valley Shrub, Pieris japonica
    • Mediterranean Spurge
    • Mexican Mock Orange
    • Montana Clematis
    • Mountain Ash
    • Oakleaf Hydrangeas
    • Oregon Grape Holly
    • Oriental Poppies
    • Oriental Lilies
    • Paperbark Maple
    • Pearl Bush
    • Persian Ironwood
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Evergreen Clematis
March's Plant of the Month 2023

A Vine for all seasons

Picture
Fragrant white star-like flowers of the evergreen clematis are profuse and simply marvelous.
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Their white flowers contrast nicely against the deep green foliage.
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Their evergreen foliage consists of three leaflets that hang downwards.
Picture
Their fluffy seed heads are quite attractive.
Picture
Evergreen clematis can grow up to 30 feet.
Picture
Plants are head-turners as they are fragrant and covered with blossoms.
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This vine puts on vigorous new growth after flowering.
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Evergreen clematis stay a deep green all year, even when covered in snow.
​Common Name:  evergreen clematis
Botanical Name:  Clematis armandii
Form:   woody vigorous vine
Family:  Ranunculaceae
Genus:  Clematis
Species:  armandii
Plant Type: woody vine, liana
Mature Size:  15 to 30 feet in length and up to 15 feet in width
Growth: fast, aggressive
Origin:  China
Hardiness Zone: 7 to 10
Foliage:  deep green glossy, compound trifoliate (3 leaflets), 3 to 6” x 1” wide, hang downwards
Flowers: fragrant, clusters, star-like, 2 to 3 inches wide, with 4 to 8 white petals, March, April
Fruit: achene, many dry seeds with a silky tail, resemble fluffy plumes
Stems:  stems climb by twisting around their support, becomes woody, aggressive
Exposure:  full sun to part shade
Soil:  good draining soil and organically rich
Uses:  screens, birds, hummingbirds & butterfly gardens, winter garden, woodland, rock walls
Propagation:   division or stem cuttings
Pruning:  prune after flowering, blooms on old wood
​Problems:  aggressive growth, sap can cause contact dermatitis

Comments: 
This beautiful, but vigorous woody climbing vine, is coveted for their vanilla to almond scented white flowers that are so profuse their leaves go undetected. Two to four inch star shaped blossoms bear four to 8 petals with prominent stamens in the centre. Sporadic blossoms may appear occasionally after the major flowering period in March to April. The flowers are not just pretty, they attract butterflies, bees, hummingbirds and other pollinators.
 
This evergreen woody vine looks good all year round with its deep green, shiny leathery trifoliate leaves. Because it’s evergreen, it makes a perfect screen when grown on a trellis. Since this vine grows quickly and is woody, provide a sturdy support. It’s best not to grow it on your house as its twining stems will grab on to anything, making it difficult to remove. Plant them independently of permanent structures such as arbors, pergolas, fences and gazebos.
 
To keep the plant in check cut it back once the flowers have faded. Remove all dead, spindly, diseased and broken stems. Once that is done, cut back all side shoots to a couple of buds. If it is too rambunctious, remove some stems entirely. This vine is not recommended for containers because it just gets too big and aggressive.
 
Problems occur when evergreen clematis are not planted in the right spot and if their soil is too dry and lacks nutrition.  They need at least 6 hours of direct sun a day. Good draining organically rich moist soil is best. Mix a few inches of compost or well-rotted or composted manure into the soil. Top it off with a 3-inch layer of mulch over top of the soil around the plant but keep it a few inches away from the stem. Since evergreen clematis dislike dry soil, the mulch helps retain moisture.
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Plants and flowers attract birds, hummingbirds and pollinators.

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  • Home
  • About, Services, Contact
  • Amanda's Garden Blog
  • 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
    • Hardening Off Plants
    • Taking Cuttings
    • Seed & Plant Catalogues
  • How to Garden Topics
    • Fall Garden Chores
    • Planting Know-How
    • Soil Building
    • Soil pH
    • 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
    • Fall Veggie Garden Clean-up
    • Crop Rotation, Succession & Companion Planting
    • Harvesting
    • Growing Potatoes
    • Winter Veggie Gardening
    • Taming Tomatoes
    • Speeding up Tomato Harvest
    • Tomato Tips
    • Saving Tomato Seeds
    • Raspberries
    • Tomato Troubles
  • Plant Pests 1
    • Plant Pests Part 2 - Controlling Insects
    • Garden Inspections
    • Cloches
    • Helping Pollinators
    • Critters in the Garden
    • Black Sooty Mould
    • Brown Marmorated Stink Bug
    • 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
  • Monthly Flower Arrangements
    • Christmas Wreaths
  • Plant of the Month
    • Spring Flowering Bulbs
    • Colourful Fall Plants
    • Abelia
    • American Sweetgum
    • Ash (Fraxinus) Trees
    • Astilbes
    • Azaleas, Deciduous
    • Aubretia, Rock Cress
    • Aucuba, Japanese Spotted Laurel
    • Autumn Crocus
    • Bear's Breeches
    • Beautyberry, Callicarpa
    • Black-eyed Susans
    • Bleeding Heart, Lamprocapnos spectabilis
    • Calla Lilies
    • Catalpas
    • Chinese Windmill Palm
    • Columbine
    • Chrysanthemums
    • Crocuses
    • Dahlias
    • Dawn Redwood
    • Daylily
    • David Viburnum
    • Delphiniums
    • Devil's Walking Stick, Aralia spinosa
    • Doghobble, Leucothoe
    • Dwarf Alberta Spruce
    • Dwarf Burning Bush
    • Elderberries, Sambucus
    • Evergreen Clematis
    • English Daisies
    • Fawn Lilies, Erythroniums
    • Fall Asters
    • Flowering Currants
    • Flowering Quince
    • Fritillaria
    • Garden Peonies
    • Garden Phlox
    • Ginkgo biloba
    • Grape-hyacinths
    • Handkerchief or Dove Tree
    • Hardy Fuchsia
    • Harry Lauder's Walking Stick
    • Heathers
    • Heavenly Bamboo
    • Hellebores, Lenten roses
    • Himalayan Sweet Box
    • Hydrangeas, Mophead & Lacecap
    • Jack-in-the-pulpit, Cobra Lily
    • Japanese Anemones
    • Japanese Forest Grass
    • Japanese Maples
    • Japanese Skimmia
    • Japanese Snowbell
    • Japanese Spirea
    • Japanese Spurge
    • Japanese Zelkova
    • Kale, ornamental
    • Katsura Trees
    • Kousa Dogwood
    • Laurustinus viburnum
    • Lavenders
    • Lily-of-the-Valley Shrub, Pieris japonica
    • Mediterranean Spurge
    • Mexican Mock Orange
    • Montana Clematis
    • Mountain Ash
    • Oakleaf Hydrangeas
    • Oregon Grape Holly
    • Oriental Poppies
    • Oriental Lilies
    • Paperbark Maple
    • Pearl Bush
    • Persian Ironwood
    • Peruvian Lily, Alstroemeria
    • Phalaenopsis, Moth Orchids
    • Photinia, Fraser
    • Poinsettias
    • Primroses
    • Persian Silk Tree
    • Portuguese Laurel
    • Rose of Sharon
    • Saucer Magnolia
    • Shrubby Cinquefoil
    • Sky Pencil Holly
    • Sneezeweed, Helenium
    • Snowberry
    • Snowdrops
    • Solomon's Seal
    • Star Magnolia
    • Strawberry Tree, Pacific Madrone
    • Stewartia
    • Torch Lily, Kniphofia uvaria
    • Tree Peonies
    • Tuberous Begonias
    • Variegated Wintercreeper
    • Viburnum, Pink Dawn Bodnant
    • Virginia Creeper
    • Weigela
    • Winterhazel, Corylopsis
    • Winter Camellia, C. sasanqua
    • Winter Daphne
    • Wintergreen, Gaultheria procumbens
    • Witch Hazel
    • Wood Anemones
    • Yarrow
    • Yews
  • Garden Tours & Such
    • NW Horticultural Society July Garden Tour 2024
    • Burnaby in Blooms
    • Burnaby's Century Gardens
    • South Delta Garden Club Tour 2023
    • Garden Club Events
  • Website Index
  • Subscribe
  • Need Help?
    • Gift Cards