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Oregon Milkweed Project

January 29 2015
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Document populations of two rare Oregon Milkweeds (Asclepias cordifolia and A. solanoana) in Southwestern Oregon for seed collection, and propagation for Monarch butterfly habitat restoration.

January 29 2015

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Name: Richard Harding
E-Mail: Richard.harding@gmail.com
Account ID: 910074024


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Expedition Background

The Willamette Valley in Oregon is on the migration path of the Western population of the Monarch butterfly. Due to agriculture and development, native milkweeds, the only larval host plant for the butterflies, have been severely diminished in number, restricting the migration route and contributing to the butterfly's decline.

I've been propagating and giving away seed and plants of two native milkweeds (Asclepias speciosa and A. fascicularis) since 1998 in an effort to help restore Monarch habitat in the Willamette Valley.

facebook.com/oregonmilkweed

One species, A. solanoana, exists in Southwestern Oregon but is restricted to serpentine gravel slopes that are difficult to reach by foot. I want to use a drone to document their occurrence in areas where hiking is not possible or would be destructive to the fragile ecosystem of these areas. Later in the year I will return to collect seed and attempt to propagate it for free distribution to dedicated gardeners.

Another species, A. cordifolia, exists alongside A. solanoana but is not as rare. I would also like to bring this species into cultivation from native seed.

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What a great project! Have there been any recent updates? Would love to follow along.

This was a preliminary posting, the project was never set up and I can't delete it. On second thought, this area of Oregon, with a patchwork of public and private land, is not a good area for using a drone. Oregon Milkweed Project is otherwise active, Facebook.com/oregonmilkweed. We gave away about 1500 packets of seed this year.