Welcome to the Tsubo-en diary. Thanks for stopping by and reading. If you have any questions feel free to email us or post in the comment sections of one of the posts you'll find here.
     Marijke & Piet.

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Cottony maple scale on our Acer Palmatum

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Cottony maple scale insects (Dutch: wollige dopluis) feasting on our Acer Palmatum what a fun this is. One that has been especially abundant and a frequent visitor of our garden is the soft scale insect known as the cottony maple scale or Pulvinaria innumerabilis. In our case this is a tree that is a […]

Bamboo runner alert

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In my post Bamboo shoots in unexpected places this subject was briefly addressed. Today I will go into more detail and show you the impact of not taking, or not taking sufficient measures, to restrict bamboo in its abundant expansion. Even when the correct measures are taken one still needs to frequently check for […]

Weeds, leafs and more

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This is a post about gardening activities that must be and are performed on a regular basis, year round. Under the denominator “Bottom surface maintenance” we have brought together a whole list of activities. A number of these are very specific, like for example Gravel area’s and Keeping the groundcovers out of the gravel. […]

Powdery Mildew on our Euonymus Japonicus

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We are used to a few annual attacks of plant louse (greenfly) against or Euonymus Japonicus “Compactus” (Japanese Spindle) next to the terrace in the main garden. Mildew we have had only once or twice before. And now it is fully covered by it and hence we identified it as Powdery Mildew (fungi in […]

Insecticide, second or third annual overall treatment

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Depending on the weather conditions and plant growth in the garden we have a first preventive spraying round in mid-April. Sometimes one or two weeks earlier other years one or two weeks later but that is the schedule. Depending on how serious the problems are and how effective the first treatment was, e.g. was […]

Tsukiyama, the edges in the main-garden

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The weather is great for gardening. Partially overcast and around 20 degree Centigrade (68 °F). After the Tsukiyama/gravel-edges in the front-garden we did a couple of days ago we yesterday clipped the Leptinella Tsukiyama / Ginshanada-edges in the main-garden compartment as described in post ‘Tsukiyama, the edges in the front-garden’. Some job, because the length […]

Razor-sharp thyme edges

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Most of the “body” of the Turtle Island is covered by Thyme, Thymus Praecox pseudo langinosus (see Groundcovers). The Thyme grows beautifully and is a slow creeper. We like to keep the edges razor-sharp, like they where painted, and this Thyme is ideal for that. It can be left unattended for a while and will […]

Ants are in our pest top five

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Ants are keeping us more than just busy. Again one of these useful harmless insects ? Despite of the fact that ants belong to the social insects they do not at all behave as such in our garden. In my previous post I told about the bamboo-shoots (the two white stripes, center-down). When I lifted […]

Bamboo shoots in unexpected places

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Today we saw an example of unwanted bamboo-shoots. While we know how “sneaky” and persistent bamboo can be, we where again taken by surprise. As you can see this bamboo-shoot tried to penetrate restricted area by coming through a junction in the Left-garden pathway. In order to get there it had to work itself under […]

Groundcover maintenance

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The perennial groundcovers (and more or less evergreen) that grow on the surface of the Tsukiyama-area’s (artificial or man-made hill garden) ask for continuous attention. Where we have been working on today and what we show here is what we use on most surfaces is Leptinella potentillina or squalida (prev. Cotula common name: “Water buttons” […]