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Home > Annuals and Perennials > Milkweed
Milkweed
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aphid 1
Credit: Jeff Hahn
aphid 2
Credit: Terry Straub
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green arrowAphids
Occurs during summer
Feed in large groups on leaves and stems
No other inujury visible
Tiny, yellow to orange aphids with black legs
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monarch caterpillar 1
Credit: Jeff Hahn
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green arrowMonarch caterpillar
Occurs during summer
Chews holes along the edge of leaves
White with yellow and black markings, up to 2 inches long
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four-eyed bug 1
Credit: Jeff Hahn
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green arrowFour-eyed milkweed beetles
Occurs during mid to late summer
Chew holes in leaves
Red with black spots and long antennae, 1/2 inch long
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herbicide 1
Credit: Michelle Grabowski
herbicide 2
Credit: Michelle Grabowski
herbicide 3
Credit: Michelle Grabowski
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green arrowHerbicide Damage
Phenoxy herbicide ex. 2,4D
Leaves are twisted, cupped, or distorted
Leaves may appear thick and leathery
Veins in leaves are thick and close together
Side of the plant closest to the herbicide application is most severly affected
In severe cases the entire plant may be affected
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hail 1
Credit: Mary Meyer
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green arrowHail
Ragged holes in foliage
Appears suddenly, after sever weather
Affects very local area only, sometimes individual plants show damage
Plants outgrow damage, leaves produced after hail event are undamaged