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California Gardening Northwestern Gardening Plant Propagation

Cercis occidentalis from seed collected today 2/14/24

2 months ago

Vacationing on the Trinity River near Willow Creek and there are a lot of Cercis occidentalis laden with seed pods, so I collected some. Anyone ever grow this from Seed? What are the chances of germination if I sow the seeds now in pots and place them outdoors? I would hope they germinate sometime in May when the temperatures are consistently above 70F where I garden in Oregon.

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Comments (5)

SeniorBalloon
2 months ago
last modified: 2 months ago
Here is what NARGS Germination guide says about Cercis canadensis, their list didn't include occidentalis.

Sow @ 20°C. Seed germinates within 3 months Requires scarification. Nick or rub between sheets of sandpaper. Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard water and any seeds that remain floating. * scarify very gently or will rot "

https://onrockgarden.com/index.php/germination-guide/germination-guide
artinnature
Original Author
last month
I finally got some more seed starting mix and planted 30 seeds in 6 pots. Just wanted to get it done since there are so many other gardening tasks right now, so no scarification or soaking. They'll sit outside in pots until they grow, or not.

I did this with seed from our locally native (Willamette Valley) Camassia (not sure which species, supposedly we have two here) last fall and they are all germinating right now(!) after spending the winter outside.
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otcay
9 days ago
how are they coming along?
artinnature
Original Author
8 days ago
Unfortunately not good (Cercis). Several seeds had "floated" to the soil surface due to heavy spring rains. No evidence of germination, although they did at least appear to be viable. I'll leave them as they are until spring 2025.

Camassia have not continued to grow beyond about 1.5" in the pots, so I guess I'll plant them out, see what happens.
otcay
6 hours ago
the strange thing is that sometimes a touch of neglect is better than all the babying.

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