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Sorry, looks dead to me.
At 59°N? This is the same latitude as Haines or Skagway ;-)
Thanks! No, -18° shouldn't harm it. A mystery then! Try transplanting some of the self-sown seedlings to new good permanent positions and see if...
No idea what "0°F" is. White Fir can survive down to below -30°C, but generally with relatively low humidity; I don't know if higher humidity...
I'd suspect winter kill, I've seen similar symptoms with the much less hardy Abies pindrow in Denmark, where it is only marginally hardy, just...
It was tongue-in-cheek . . . hideous things. But if they're good for bees, they're also good for slug food :-) But equally, they are invasive...
Removal of invasive plants like Hosta is an important part of maintaining a healthy ecosystem :-)
Broussonetia with immature fruit was my first thought; from eastern Asia but widely cultivated and locally naturalised in subtropical regions.
Every time I see this thread, I wonder, what's the new species Acer buddies? Should it be grammatically corrected to Acer buddiesii? Can anyone...
The very long, slender, paniculate inflorescences (rather than thick-stemmed cymose) and small fruit. It's altogether too 'delicate', Euonymus...
Not sure what it is, but it isn't Euonymus - wrong fruit structure for that.
Something in the family Fumariaceae - Fumaria, Corydalis, etc. Not sure what species occur in Oregon...
Ditto to Rocket - delicious!
Norway Maple has the best flowering display of any maple I know. The flowers come out just before and as the leaves start to expand. The whole...
No, it's dead. Sorry!
I doubt the heat dome would be responsible - the species grows in some very hot areas of Spain, and any symptoms related to the heat/drought last...
How cold did it get in your cold snap? It can tolerate temperatures down to about -10 to -15°C, but anything below that, and that's your likely...
Check out various species of Asplenium and Polypodium, they're all small to medium size, and all evergreen. I'm not sure what species are native...
Yep - Basil isn't a wetland plant! Grow it in well-drained, well-aerated soil, something like coconut coir-based compost.
Not a Yosino, but just for comparison . . . claimed to be over 1900 years old: P. spachiana 'Yamataka Jindai Sakura' on the grounds of the...
