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Why Plant Native Plants?

5/6/2023

 
Picture
Monarch butterfly approaching native ironweed flowers to drink nectar to power its flight muscles. Monarch caterpillars however need the leaves of different native plants - milkweeds - to survive. In the BG, London, Ontario, mid August 2022.
Picture
Using the Monarch butterfly as an example, if we want this beautiful sight in our gardens for years to come, we must plant the food plants of the leaf-feeding caterpillars as well as the nectar plants for the adults.
Many people love butterflies and want them in their garden. But if you ask, "do you want caterpillars chewing on your garden plants?" you may get a different answer.  The truth is, butterflies (and all moths -- butterflies are day-flying moths) have different food requirements as they develop through the stages of egg, caterpillar, pupa and adult. Most caterpillars are specialized feeders on fresh green leaves, and feed on only the leaves of a few native plant species they coevolved with. If we want our native butterflies to thrive, such as the beautiful Monarch butterfly pictured, we must include the food plants of their caterpillars in our gardens. In the case of Monarchs, the food plants for the caterpillars are various species of native milkweeds, e.g., common milkweed, Asclepias syriaca, or butterfly milkweed, Asclepias tuberosa. Once the caterpillars grow up and metamorphose into adult butterflies, they become pollinators and drink nectar from many different kinds of flowers, native and non-native. But only native plants provide food for the larval, or caterpillar stage. Plant native plants and start your biodiversity garden today! The photos for this post were taken in our Biodiversity Garden in London, Ontario, in mid-August 2022.

    Author

    Dr. Nina M. Zitani writes about biodiversity and conservation issues 

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  • Home
  • Learn
    • What is Biodiversity?
    • What is Biodiversity Gardening?
    • What is Native Biodiversity?
    • Why Does Native Biodiversity Matter?
    • Resources
  • Documentary
    • Introduction
    • Our Favorite Native Plants (All)
    • American Beech
    • Bloodroot
    • Blue Flag Iris
    • Hoptree
    • Ninebark
    • Animals and Fungi (All)
    • Boogie-Woogie Aphid
    • Black Swallowtail Butterfly
    • Giant Swallowtail Butterfly
    • Lichens
    • Milk Snake
  • About
    • Contact Us
  • Blog