What Bonsai Are Labored On In June?

And, what will we do with them?

This photograph essay is a snapshot of the month’s bonsai work.

June and July are Satsuki Azalea months. After flowering all the flower, with the ovary, is eliminated.

One other Satsuki shedding its flowers.

Carmen has discovered some tight wire, one thing else to look at for at the moment of 12 months.

This one, the Kinsai selection, has thready flower petals—the specified sort—however it’ll sometimes develop a flower with regular petal measurement. If you happen to just like the thready, spidery flower petals it’s best to chop off the shoots with bigger flowers, just like the one held within the hand. 


After eradicating remaining flowers the shoots are reduce to 2 leaves, a way referred to as “fishtail”. This units the azalea up for summer time regrowth, extra ramification, and shorter shoots—very like decandling black pine.

Decandling a number of flush pines can be performed in late spring. Right here a Japanese Black Pine is being decandled. Within the Pacific Northwest our decandling window has simply closed, which is the couple weeks that permit the plant sufficient time following the candle reduce to regrow. If we reduce too late, we would get too small needles which can weaken the pine. Or, worse, if reduce in mid-summer right here within the Northwest, develop solely buds that don’t open into shoots.

Though fall is prime time for giant cuts on pines, modest extensions could also be eliminated concurrently decandling. These cuts could present additional energy for weak areas down under, as this tree confirmed this 12 months on just a few branches.

Extensions, levitate!

A small black pine being decandled.

An outdated black pine on the Portland Japanese Backyard, simply earlier than for decandling.

After decandling and needle pulling. A department on the decrease left was eliminated to point out extra of the decrease trunk. And the moss that wants eradicating…

One other plant labored on in June: Boxwood. Lengthy shoots point out vigor and readiness to be labored on.


We reduce the decrease shoots on this Japanese Boxwood, leaving the crown of the tallest trunk alone because it appeared weak. If we at all times trim uniformly, we could merely punt imbalances down the highway. 


Smoothing out giant cuts is well-timed in June, because the cambium continues to be fairly energetic and there may be much less probability of illness from coming into a wound when the climate dries out (at the least, our dry season within the Northwest is the summer time months).


Defoliation of deciduous bushes is excessive on the record of June actions. Here’s a Stewartia.


After a shoot trim, slicing the remaining giant leaves in half helps stability the plant and permits mild to the inside.


After partial defoliation. The small shoots on the base are root grafts put in just a few months in the past, throughout repotting season.

And accent crops / giant kusamono compositions could also be trimmed for a reset in June…

…after trimming and pinching the hemlock shoots.

This late spring interval—simply as development is hardening off—is an effective time for a number of crops to be reset and rebalanced. Some crops could regrow over the summer time, like Trident Maples. Others, like Beech, gained’t probably regrow, however these are nonetheless essential strategies to use. If skipped, the exteriors of our bonsai will get robust and the inside shoots will die off. 

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