Over the years I’ve written about various causes of yellow foliage on black pines. In an effort to record all of this information in one place, I’ve created a new guide that provides info on the following categories of yellow foliage: Old needles are turning yellow New needles are yellow near the base but green […]
Black Pine
Tips for late summer
When everything goes well, there isn’t a lot of bonsai work this time of year. Deciduous trees are recovering from their last pruning of the season, decandled pines are filling in, and tropical bonsai are getting their final cutback of the season. That said, the next month is pivotal for improving and maintaining tree health. […]
Decandling season wrap-up
Towards the end of decandling season (mid-July where I live), I make a point of checking every pine in the garden to see if it’s a candidate for decandling. Most of my pines are young and don’t require this work, but there are a number of trees between five and ten years old that can […]
Bonsai Development Series #25: Pruning exposed root pines
Some of my exposed root pines are close to seven years old. They have long sacrifice branches to help thicken the roots. Although the fastest way to thicken the roots will be to let the tree grow freely all summer, I often prune this time of year to improve the branch structure. As an added […]
Decandling field-grown pines
When decandling season comes around, I start with the biggest pines in the garden and work my way down to the smallest ones over a period of four-to-six weeks. This gives the larger trees enough time to develop needles over summer that are just the right size (see “Decandling overview” for details). Two of my […]