Euphorbia palustris (Marsh Spurge) [12 Seeds]


Germination Information: I recommend these seeds for experienced seed-starters only, because there’s little information on germinating them and they may require experimentation. And to be honest, I haven’t tried to grow this species from seed myself; I started with a plant and just let it self-sow. Still, it’s a beautiful perennial, and hard to find, so I imagine a few adventurous seed-starters might find it tempting.

One option would be to start the seeds in a pot (I’d guess about 1/8″ deep) in late fall or winter and leave it outdoors to germinate whenever conditions are right. Or, you could try sowing in warm conditions first; if no seedlings appear after a month or so, then try an artificial chilling period of about a month before moving the pot back to warmth. Again, those are just guesses; I have no first-hand data to offer.

Note that this information will not appear on the seed packet you receive.

Please read the description as well before ordering.

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Hardy spurges (Euphorbia) typically don’t take kindly to soggy soil, but wet feet are just fine as far as marsh spurge (E. palustris) is concerned. Imagine a giant version of cushion spurge (E. polychroma): a mounded form, sort-of-oblong green leaves, clusters of showy yellow “flowers”, and fall color in shades of orange, yellow, and red. Marsh spurge, also known as swamp spurge, gets significantly larger than cushion spurge, though—in the range of 3 to 4 feet tall and wide—and flowers in late spring to early summer. As with other spurges, its stems and leaves have a milky sap that can irritate skin and eyes, so be careful when working around the plants. Full sun to light shade (particularly in warmer areas); moist to wet soil. Perennial; Zones 5 to 9. Will self-sow if not deadheaded.

Collected in late June 2023. At least 12 seeds. Shipping to US addresses only.

Please read the germination information as well before ordering.

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