6/23/17: In the garden this week


June is bustin’ out (couldn’t resist) in a perennial bed glorious with yellow sundrops (Oenothera fruticosa), orange butterfly weed (Asclepias tuberosa), and bergamot/beebalm (Monarda fistulosa), plus grasses and numerous species that have finished blooming or not yet bloomed. This border gets full sun and was originally planted over 20 years ago. The soil, which is very sandy, has never been amended in any way.

During the past few years of drought, I had forgotten what a gardening season with normal rainfall looks like. I had forgotten how the plants grow so exuberantly that I have to keep cutting them back along paths, in front of patio chairs, near the air conditioner, how quickly tomato plants grow (more on that below). And what it’s like not to have to exhort clients to keep newly-installed plants well watered until they’re established. It’s a pleasant change.

As I write this, the predicted rain has just started. Can I confess that given a choice between a dry weekend and a good soaking rain, I’d vote for the rain in most cases? But the thing about gardening is that we don’t get a choice.

Here are some things you might consider in your garden this week (after the rain stops, of course):

water new plantings: We received about 1 1/2 inches of rain in the past week, so no watering should be necessary this week. However, you should always water well after planting to settle the new plants in the ground. In dry weeks (those with less than an inch of rainfall), you need to water all plants installed this spring or last fall. How do you know when we’ve received an inch of rain? You can make a highly sophisticated rain gauge–an old plastic container or tin can placed among the plants. I total the weekly rainfall and decide whether to water my new trees or my clients’ new plantings each week.

— all vegetables, including tender crops like tomatoes and peppers and corn, should be planted out by now, and it will soon be time to remove early greens like lettuce and spinach. Water deeply during dry periods, particularly when the weather is hot, and watch carefully for pests and diseases. Removed diseased plants promptly to prevent spread.

— be sure to properly tie, stake and prune your tomato plants. Most tomato cages are pretty useless: the plants outgrow them before they start to bear fruit. And unless tomato plants are properly pruned, by pinching out the suckers, they will be so bushy that they’ll be especially susceptible to fungus infections like verticillium wilt. You’ll find general guidelines for growing tomatoes here and specific watering instructions here.

—  It’s a bit late to clean up the perennial garden or to divide and replant. Once the weather turns hot, plants put their energy into top growth and blooming. I would no longer move or divide plants, but if you continue to plant, water very thoroughly and keep an eye on those new plants. They will need extra water.

it’s too late to fertilize your lawn or to reseed bare patches, no matter what your lawn-care service tells you. Here’s a suggestion: don’t feed at all this year. The lawn will look just fine. Or wait until around Labor Day and use one application of a slow-release organic fertilizer. Avoid pesticides, fungicides, and herbicides. Pesticides kill butterfly and firefly larvae and native ground-dwelling bees as well as “bad” insects. And garden chemicals are not so great for kids or pets either; common herbicides, in addition to killing butterfly host plants like violets, are carcinogens. Best to avoid them.

— it’s also a bad time to prune woody plants. The plants are using so much energy growing, flowering, and fruiting that they have little to spare to healing a wound. There will be short window of time later in the summer. Of course, continue to prune diseased or injured plants at any time and to remove any safety hazards, such as overeager shrub that block sidewalks.

And don’t forget to count the fireflies! The more you see, the healthier and more sustainable your garden is.


We moved the patio chairs forward to get out of the way of the raspberries. The elderberries (white flowers in background) are especially tall and vigorous this year.


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