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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
  • 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
    • 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 spirea
    • Japanese Spurge
    • 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
    • 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
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    • Snowdrops
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Plant Pests 

Amanda's Garden Consulting Company

Bugs in the GardeN

cabbage white butterfly,pollinator,insect control,the garden website.com,Amanda's Garden Consulting,Amanda Jarrett
A cabbage white butterfly pollinates a lavender.
Creepy crawlies in the garden give many people the willies, and even though killing all of them maybe rather satisfying to some, it’s a really bad idea. Insects are an integral part of a healthy garden and without them gardeners end up doing their jobs. How about donning a bee outfit with a paintbrush in hand as those apples, beans and tomatoes won’t pollinate themselves. How about shoveling tons of dead animals, plants and insects? Without bugs anything that was once living doesn't break down therefore the resulting debris would be unimaginable. Not only that, plants would go hungry. The insects in charge of decomposing organic material break it down so it's available for plants to use. These decomposers are a significant part of the soil food web. Since the decomposers feed our plants reducing the need to fertilize. Less work and saving money is a very good thing indeed.
pollinators,wasps,beneficial insects,organic insect control,pollinator,insect control,the garden website.com,Amanda's Garden Consulting,Amanda Jarrett
A wasp is covered in pollen from Hebe flowers.
A healthy garden is one with lots of all kind of bugs; decomposers, pollinators and beneficial insects that kill other insects that feed on plants. Obviously, insects have many important roles and play a major part in keeping the garden in balance, despite the fact that some do feast on our flora.

Next time you see a creepy crawly in the garden think about what it does for a living. Decomposers include centipedes, millipedes, earthworms, slugs, spiders, beetles, sow bugs, snails, springtails, ants and flies. Pollinating insects include wasps, flies, moths, butterflies, beetles and many types of bees. Ladybugs, lacewings, spiders, ground beetles and hoverflies are a few beneficial insect that feed on other bugs. Parasitic wasps lay their eggs in caterpillars, which hatch and feed on their host. Other plant predators are food for birds, frogs and toads. Let’s not deprive them of their food source.
​
My point is that every organism no matter how annoying, unsightly or destructive they are in our opinion, each and every one has a role to play. It is a theatre in another universe; a drama playing out in a micro universe. ​

When Insects Become a Problem

aphids,lady bugs,pollinators,wasps,beneficial insects,organic insect control,pollinator,insect control,the garden website.com,Amanda's Garden Consulting,Amanda Jarrett
Aphids love fresh new growth.
Insects become a problem when their populations grow to such an extent that plants are overwhelmed.  A few nibbles here and there usually isn’t a problem as plants have the ability to fight back – well healthy plants anyway.

Insects hone in on the weak; plants that are kept too dry, too wet, ones growing in too much shade or not enough shade. Then there is too much of a good thing. Giving plants too much nitrogen beckons insects as it spurs on new tender growth, which many bugs feed on with gusto. Alternately, hungry plants that don’t receive enough food can’t fight back and succumb easily to attacks.
​
Keeping plants healthy gives them the resources to retaliate. Sickly plants lure predators with a hormone called ethylene. We can’t sense it, feel it or smell it, but insects do. Insects actually rid the gene pool of the weak so the strong survive. It is nature's way and it works and has done for millennia. 
forest tent caterpillar,aphids,lady bugs,pollinators,wasps,beneficial insects,organic insect control,pollinator,insect control,the garden website.com,Amanda's Garden Consulting,Amanda Jarrett
Forest tent caterpillar on an old and neglected apple tree.
lacebug damage,insect control,the garden website.com,Amanda's Garden Consulting,Amanda Jarrett
The stippling symptoms of a lacebug infestation on this Lily-of-the-Valley shrub is due to drought and no mulch.

What to Do

It's all well and good saying that plant pests are getting rid of the weak, but no one wants buggy plants. Half the battle is to figure out why the plant was targeted in the first place, and that can be quite difficult. Inspect plants closely by looking under the leaves, along the stems and where the leaves meet the stems. Check any dead and dying parts for any critters and their excreta. If you don’t see anything during the day, take a flashlight outside at night and inspect those that are being eaten. Grab a cup of salty, soapy water too so you can just drop the critters in to easily discard them. 

Typical symptoms of an insect attack include leaves that are rolled, chewed, puckered or bear holes. Other tell-tale signs includes lacy foliage where only their veins remain as insects have eaten all the tasty tissue in between. Then there are leaves that are supposed to be solid green but instead they are mottled or stippled and look a bit dusty.

It is normal for a few leaves to be chewed so don’t get a knickers in your twist if there are a few bugs chomping away. It is when they overwhelm plants that you should question what is going on. So before you start thinking of using any pesticide, even soap and water, try fixing the problem instead of dealing with the symptoms. Try to determine why the plant is weak as it will be a never ending merry-go-round of pesticides, and a waste of time and money if you don’t.

For controlling insects go to Controlling Insects
aphids,lady bugs,pollinators,wasps,beneficial insects,organic insect control,pollinator,insect control,the garden website.com,Amanda's Garden Consulting,Amanda Jarrett
This kale leaf is being eaten by a cabbage white caterpillar and aphids.

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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
  • 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
    • 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 spirea
    • Japanese Spurge
    • 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
    • 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
    • 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
    • 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