Blue sky gardening rather than feeling blue

Weeds maybe, but pretty on summer roadsides - agapanthus

Weeds maybe, but pretty on summer roadsides – agapanthus

There I was, having decided to write about blue flowers this week, when I opened the latest issue of NZ Gardener and Lynda Hallinan had beaten me to it. But that’s all right. She was mainly looking at annuals with just a few perennials and one shrub.

It is the sight of the blue jacaranda in full flower which makes me fall in love with blue blooms all over again. It is the first thing I see out the window every morning and I sit and drink my early morning tea admiring it and reflecting on how much I love the colour.

Where we live, blue is the dominant colour of the roadside flowers in summer. I know agapanthus is a weed and difficult to eradicate but our verges would be the poorer for its absence. Plants have to be tough in that situation and the agapanthus is a showy survivor. Beacons of summer, here.

The simplicity of chicory

The simplicity of chicory

The wild chicory is pretty as a picture with its soft blue daisies. In the garden we grow blue asters with a similar flower but in long grass, the simplicity of the chicory is more fitting.

We are blue hydrangea territory, being acidic in soils. With regular summer rain and mild, humid conditions, the blocks of blue flowered hydrangeas tend to mean we take this plant for granted. Go to more alkaline territory and they turn pink as readers may have noticed in other areas, but they add to our blue palette here. As we fluff around our garden hydrangeas, pruning each year to tidy them up and promote good flowering, it is interesting to reflect that those roadside wildflowers are never touched yet bloom faithfully. As a general rule, if you don’t prune a hydrangea, you get more flowers but they are smaller.

Impressed by the garden performance of the You-Me hydrangea series

Impressed by the garden performance of the You-Me hydrangea series

When it comes to the garden, those big blue moptop hydrangeas (the macrophyllas) are okay as a backdrop but they lack refinement as garden plants. We have been most impressed with the more delicate appearance of the recent introductions from Japan in the You-Me series. We collected several from hydrangea expert Glyn Church a few years ago and have lost the names but they are all quite similar so I’m not sure that any one is better than the others. Look for them branded under the You-Me group and they carry individual names like “Forever” and “Eternity”. If you can’t find them in your local garden centre, then you can get them on line from Woodleigh Nursery. Be warned, however, that they are apparently not colour stable so if your soils are more alkaline, they won’t be the pretty blues we have here. Presumably they will be pretty pinks instead.

What is it about blue? For me, I think it is that the blue as blue skies are such a mood enhancer. It may have something to do with the dreaded holes in the ozone layer (though I hope it has more to do with our isolation and low population) but we have a clarity and intensity of light in this country that most of us take for granted until we travel overseas.

I have commented before on the fact that we treat green as colour neutral in the garden. All those monochromatic garden schemes are in fact bichromatic because they are one colour plus green.

Nigella damascena - a personal favourite

Nigella damascena – a personal favourite

Blue is not colour neutral as such, but it sits happily in any colour combination. So if your garden bed is hot colours of reds, yellows and oranges, blue will sit in that mix quite happily. In you have gone instead for pretty pastel pinks and whites, blue does not shout when included. Of the primary colours, it is the easiest to blend. It can lift a tightly controlled, colour managed garden out of the blandness that sometimes afflicts them, by adding just a little zing.

I don’t understand why “feeling blue” is a reference to feeling sad. In my books, you can never have too much blue in a garden and lifting one’s eyes to the blue sky above is a celebration of life.

First published in the Waikato Times and reprinted here with their permission.

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