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Sorry my dear, i disagree . Your sentence can conveys misconceptions.
-A primary Verticillium attack is not characterized by black spots on woods....
Where do you see black or grey rings ?
The large central zone is ochre, golden or light brown, this is not the usual colour of the wood, but due...
OK. I agree with you.
And the white veins of the graft are those of an amoenum.
@maf. Look at the green leaves, they are not amoenum leaves. They are palmatum leaves or so.
3 years ago, I obtained 3 plants from A. shirasawanum 'aureum' seeds (after only 1 cold stratification and no one after a second cold...
Villa Taranto's flowers are not very attractive but their samaras are !
@emery. I must said the plant from seed you gave me some years ago, have...
One i love with sun, every morning having breakfast.
It is incredible how we better see aphids on photos than in any other situation to observe them. (seyriu and emerald lace).
In South-Ouest of France, the later one’s are reaching out.
Acer deshojo, 16 years old in ground and full sun.
katsura (in pot) is P3, march 12.
... it emerges, it surfaces, it rustles ...
May I suggest to look at little branche with dead and black buds; perhaps some pest are there. I would prune it.
And some well known cultivars.
A.mikawa yatsubusa ,'albereto' italian made.
A.kamagata is 19 years old.
Spring is here !
Some 4 or 5 years maples selected from seeds.
Neem oil is not sufficient to eliminate scales and their eggs; that is my experience.
--When you use a toothbrush to wipe off scales, you wipe...