Kanzan (Kwanzan) Cherry tree blooms

11 months ago

Hello friends, I live in southern maine and have noticed no flowers on the Kanzan cherry trees in the area. Can someone confirm this observation? Not sure if the tree is late or a freeze killed the blooms.

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Comments (5)

ken_adrian Adrian MI cold Z5
11 months ago
in my MI.. i get a decent show every third year or so.. im surprised you have higher expectations than that.. and are surprised you didnt have a spectacular show this season...

ken
mainegard3 thanked ken_adrian Adrian MI cold Z5
mainegard3
Original Author
11 months ago
The show has been great for many years in the area for the Kwanzan, The Accolade, which didn't bloom, is usually the hit or miss suspect.
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Why didn't my Kwanzan Cherry bloom?
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How long has it been in the ground? If it is newly planted the stress could have prevented it from forming new flower buds last summer. It could be planted too deep. It may need more sun or it may need some superphosphate worked into the soil. Or it could have gotten to much nitrogen if it is planted in the yard and your grass fertilizer got to it.
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This is actually a fairly complicated question to answer. The short answer is that cherry blossom trees generally do not do so well in the Southern California climate. It is too hot and sunny, the air is too dry, and there are not enough chill hours in the winter. There are at least a few varieties of cherry blossom that can do well in climates without winter chill (more on this later in this post), but unfortunately these low-chill varieties do not have quite the same attractive blossom shapes as the other popular varieties. I live just South of where you are and am trying to grow a Yoshino and Kanzan. The Kanzan bloomed abundantly in February, but that might have been because the plant could have gotten adequate chill somewhere else a few months before I bought it. The big problem is the leaves are getting too much sun, and the tips of some of them are slightly scorched. Cherry blossom trees are actually closely related to sweet cherries. So perhaps a parallel can be drawn to trying to grow sweet cherries in a climate that is not considered to have adequate chill hours. What I suspect may happen is that it will not have as many blossoms, or there may be some years where it might not produce any blossoms. If I can make a suggestion, there is another thread in this forum that you might want to read titled "Flowering cherry in zone 10" - The cherry blossom varieties that do well in warm climates are the Formosan cherry, and various hybrid varieties thereof; kanzakura, okame, and youkouzakura. 'Pink Cloud' is likely a hybrid of the Formosan cherry as well, I know for a fact there are some growing in a park south of Los Angeles. In Japan, the Formosan cherry is known as hikanzakura or kanhizakura. (same meaning, the kanji characters are just in a different order) In America, the Formosan cherry is also called the Taiwan cherry.
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Lawn, being a lawn is likely to need fertilization. Whether tree needs it later or not depends on individual situation and not sweeping generalization. Cherry trees do not come back well from heading cuts, tend to grow off at right angles when lopped. Also there is the problem of their disease susceptibility, introducing pathogens through pruning. The tree has a genetic blueprint to even out the top as it grows, does not need to be cut on for this to happen. The way for it to fill in nicely is to have it grow vigorously, not be dwarfed and deformed by arbitrary top pruning and subsequent small, badly angled replacement sprouts. The fact that the one branch grew like a weed on a prior occasion is not made up for by the other branches growing more slowly now. Quite the opposite, in fact. once this guy is up and growing-think Ken's "tree years"-it will behave pretty much just like all the others of its type Yes, definitely - trees have a growth phase and then a reproductive phase during their lives. This is why so many trees have crown shapes that are more upright and pointed for a time and then more rounded and spreading later. Seedlings (specimens grown from seed rather than grafts or cuttings of already sexually mature examples) of wild species trees often do not flower at all for perhaps decades while the top is developing.
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Between the Yoshino and Kwanzan Cherry tree, which one will get larger
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>Prunus x yedoensis (Yoshino) cherries have an ability to get much larger than the 'Kanzan'......almost double the size< Both are large and vigorous Japanese cherries, which tend to produce generally similar individual crown dimensions. For example a 'Kwanzan' in Sultan, WA was 50 ft. high in 1993; another example, in Sumner, WA had an average crown spread of 55 ft. the previous year. P. x yedoensis has been measured 55 ft. high in MD (1990), and with an average crown spread of 65 ft. in Seattle (1993). More recent (~2005) measurements for Seattle (USDA 8) include a 'Kwanzan' 53 ft. high, another with an average crown spread of 57 1/2 ft., and a Yoshino cherry 57 ft. high. The charm of the Yoshino is in its perfect balance: its dark rugged trunk, often burly and besprouted, makes an ideal contrast for the quintessentially delicate pink blossoms. Nor is the tree so fussy and weak as the winter-blooming Higan cherry, or so bloated and gaudy as are 'Kwanzan' and the other Sato-zakura --Arthur Lee Jacobson, Trees of Seattle - Second Edition (2006)
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Sigrid
11 months ago
I live in Southern Maine and my Peach tree has no buds. My forsythia didn't bloom, my PJM rhodo has only blooms below the level of my stone wall (ie where sheltered from wind), and my tree peony, which was there before we bought the house and at least 15 years old has only shoots from the roots. All the above-ground plant died.

It was a hard winter --- the lack of snow combined with harsh wind and some very cold spells really did a number on my plants.
mainegard3 thanked Sigrid
mainegard3
Original Author
11 months ago
Oh no. sounds like you had a lot of trouble as well.

The -20 with the wind in Feb and spotty snow must have been a factor. My peach also had issues.

Thats mother nature; hopefully next year will be more promising.
WendyB 5A/MA
11 months ago
last modified: 11 months ago
Lots of similar issues here near central MA too in condo complex. My neighbor's Kwanzan cherry did not bloom and it used to reliably every year. Her Rose of Sharon has not a speck of green on it. Another neighbors ROS is a bit better. Nobody's forsythia bloomed. Endless Summer (bummers) super slow coming up from base. Nothing from stems. Many Jap Maples (probably Bloodgood) are skimpy. another Viburnum has a large section dead. My knockout rose only has a few bits coming up here and there. This pic was yesterday. Last year it was full bloom on 6/11. Trying to decide if I should wait or trash it. Came here to start my thread for the rose, but I'll join here... so we can all commiserate! Oh, another one... a friend in southern NH's clematis Jackmani looks quite dead with just small bits coming up at the base. She said her obelisk toppled over the winter so maybe some stress played into it. My clematis's are fine thank goodness!

Kanzan (Kwanzan) Cherry tree blooms

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ken_adrian Adrian MI cold Z5

mainegard3
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Kanzan (Kwanzan) Cherry tree blooms

Comments (5)

ken_adrian Adrian MI cold Z5

mainegard3Original Author

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Sigrid

mainegard3Original Author

WendyB 5A/MA

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mainegard3
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