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  #1  
Old 05-25-2023, 01:26 PM
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Jmoney Jmoney is offline
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Cypripedium acaule
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Wish I could get outdoors more but in my limited travels here in central Connecticut I have come across several forests that harbor the lovely Cyp. acaule. I look forward to visiting these areas every May!

aka the pink lady's slipper. Requires acid pH to grow, hence their predilection to growing amongst the decaying needles in pine forests.
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Cypripedium acaule-insta-acaule-1-jpg   Cypripedium acaule-insta-acaule-2-jpg   Cypripedium acaule-insta-acaule-3-jpg   Cypripedium acaule-insta-acaule-4-jpg   Cypripedium acaule-insta-acaule-5-jpg  

Cypripedium acaule-insta-acaule-6-jpg   Cypripedium acaule-insta-acaule-7-jpg  
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  #2  
Old 05-25-2023, 03:29 PM
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Thanks so much for these photos! A magnificent species... and one that I'll never be able to grow, so I enjoy the in-situ photos even more.
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  #3  
Old 05-25-2023, 04:37 PM
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Great pictures! I'm jealous, mine haven't even broken ground yet.
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Old 05-25-2023, 06:43 PM
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Quote:
Originally Posted by Roberta View Post
Thanks so much for these photos! A magnificent species... and one that I'll never be able to grow, so I enjoy the in-situ photos even more.
yw! I don't think this species is easy to grow for anyone due to the acid requirement. Years back I thought about cultivating a patch in my garden (with seed grown plants of course) but found literature that plants quickly succumb to fungal infection unless you can keep the substrate super-acidic. I am still hoping to grow other cyp species in my garden, one day!!!
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Old 05-25-2023, 09:16 PM
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Quote:
Originally Posted by Jmoney View Post
yw! I don't think this species is easy to grow for anyone due to the acid requirement. Years back I thought about cultivating a patch in my garden (with seed grown plants of course) but found literature that plants quickly succumb to fungal infection unless you can keep the substrate super-acidic. I am still hoping to grow other cyp species in my garden, one day!!!
Where do you live? The reason that I am unlikely to be able to grow them is the same reason why I can't grow tulips... winter is 'way too warm. (Even if I could manage the right substrate with the right mycorrhizae, meeting winter temperature environment would be a heavy lift, pretty impossible actually...) Can't have everything <sigh>
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  #6  
Old 05-26-2023, 07:13 AM
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Where do you live? The reason that I am unlikely to be able to grow them is the same reason why I can't grow tulips... winter is 'way too warm. (Even if I could manage the right substrate with the right mycorrhizae, meeting winter temperature environment would be a heavy lift, pretty impossible actually...) Can't have everything <sigh>
central CT, so maybe they would need the cold winter dormancy to grow (bloom) properly. not sure if cyps are native to where you are?
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Old 05-26-2023, 09:34 AM
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I spend just my summers now in NH but had lived here year round for over 30 years prior to retiring 7 years ago. The woods up here are full of acaule if you know where to look. I return every year in late May and checking in on the local populations is one of the first things I do when I return.

When we moved to our summer retirement condo complex here on a small lake a few years ago, I took a little hike around the property (180 acres) and found several colonies of acaule. Even though we think of them as heavily shaded plants, it's amazing how much site diversity they inhabit just here on our property. One colony is in full day-long sun by the beach. I ended up writing an article for the NHOS newsletter about that but to JMoney's point, the two constants at each colony was the underlying bank run granite gravel which provides instant and complete drainage and the overlaying accumulation of white pine and hemlock needles.

While we often think that pine needles add acidity to the soil, several scientific studies have shown they actually do not by any appreciable amount. What this does tell us though is just that acaule shares the exact same preferred environmental conditions (high acidity and absence of standing water) as those species of other plants surrounding them.
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Old 05-26-2023, 10:38 AM
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Cyps definitely need a cold winter. There is a species native to California, but it grows in the mountains (the Sierra Nevada range) where it does get cold. And also gets significant moisture, it's quite rare. There are also a few other native California orchid species, similar environments. So I just have to enjoy the photos.
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  #9  
Old 05-28-2023, 08:23 AM
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Quote:
Originally Posted by Jmoney View Post
yw! I don't think this species is easy to grow for anyone due to the acid requirement. Years back I thought about cultivating a patch in my garden (with seed grown plants of course) but found literature that plants quickly succumb to fungal infection unless you can keep the substrate super-acidic. I am still hoping to grow other cyp species in my garden, one day!!!
The acid requirement is easy to fulfill in a typical Sphagnum bog set up used for carnivorous plants, and acaule does naturally grow on the edges of bogs. This plant has done well in a higher area of my bog, well above the maximum water level since I collected it from a neighbor's property 4 years ago. It was a small, prebloom plant that just flowered last year for the first time. This year it's developing an offset, so in a couple years I should see multiple spikes. In the constantly moist conditions it tolerates full sun:
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Old 05-28-2023, 12:07 PM
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Quote:
This plant has done well in a higher area of my bog, well above the maximum water level
There's your key subrosa, higher edge of the bog. They can't survive the persistent wet of any sphag or peat bog. On the other hand, reginae loves a good fen.
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