I was puzzled, this year, by the appearance of yellow foliage on some of my young pines. Yellow foliage is common on weak trees and often results from bad soil, under-feeding or various kinds of infestation. All of my pines are in the same soil, get the same sunlight and fertilizer and show no signs of infestation. […]
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Effect of hormone treatments on P. thunbergii cuttings for the production of surface roots on trees cultivated for bonsai
Abstract Pinus thunbergii is a popular species of conifer cultivated as bonsai. In an effort to produce superior surface roots on P. thunbergii, bonsai enthusiasts have developed a method of making cuttings from young seedlings to replace any taproots with radially distributed lateral roots. These lateral roots are developed to improve the look of the tree when […]
Michael Hagedorn AMA
Last week, Portland bonsai professional Michael Hagedorn participated in an AMA (Ask Me Anything) at Ask Bonsai Tonight. His responses shed light on topics ranging from fertilizer to pots to cuttings to his favorite food (not natto). Some questions touched on Michael’s involvement with the Portland Bonsai Village. Two years ago, Michael formed the Village […]
Spring watering for recently repotted trees
Last week, Michael Hagedorn offered some great advice about watering recently repotted trees in spring: To sum up, only read the moisture level where there are roots to determine when to water. – from Spring Watering Tip I’ve found Michael’s suggestion useful for many of the trees in my garden this year. Cryptomeria Looking at […]
Stratifying pine seeds
If you’re looking to plant seeds this spring, now may be a good time to do it. Considering how warm this winter has been in Northern California, January may have been a good time to get started, but either way it’s not too late to start now – weather permitting. Many seeds benefit from scarification – […]