6/16/17: In the garden this week


Penstemon digitalis (the white flowers) is an early-summer stalwart of the prairie garden. It self-seeds all the time, and some of the seedlings have dark-red stems or leaves or flowers with lavender throats. But note the purple-flowered plant in the foreground. This is one to divide and carefully maintain!

We had our first bout of really hot weather this week, following a prolonged dry spell, and parts of my garden, particularly beds that have lost their shade covering due to fallen trees, needed emergency watering. It’s important to remain vigilant, especially during hot, dry weather.

Established prairie plants had no trouble during the heat wave and should not need any supplemental water unless the drought is very prolonged. As you can see in the photo above, many are about to bloom: orange butterfly weed, swamp milkweed, Culver’s root, mountain mint, and Monarda are all showing swelling buds. In the sunniest parts of the garden, they’re already in bloom. Sundrops are in full bloom, and coreopsis would be, except this year the rabbits and woodchucks and deer have eaten every plant down to the ground. Coreopsis, asters, and boltonia will most likely not manage to bloom this year because of the repeated chewing. But after one really cold winter, they will be back in full force. I hope we’ll get a cold winter sometime soon.

Here are some garden chores you might be doing this week:

water new plantings: We’ve received no rain this week, and today’s light sprinkles don’t amount to much. Always water well after planting to settle the new plants in the ground, and 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.

—- Addendum 6/17: over an inch of rain fell last night and this afternoon. No watering needed for now!—-

— 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. 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 verticilium wilt.

—  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.

— Support a local farmer by joining a CSA (community supported agriculture) this season. CSAs allow you to support small-scale, sustainable agriculture and help limit the environmental effects of factory farming. You’ll also find that the produce tastes much, much better than what you buy in the supermarket. For the past 5 years or more, we have joined Hesperides Organica, a family-run farm located in Hawthorne, NY. They deliver weekly to various locations in Bergen County.

Enjoy the garden this week!


Orange butterflyweed in full sun is already in bloom. The small blue flowers are Campanula rotundifolia. As the milkweed plants crowded them out, the Campanula responded by increasing in height. Usually they’re less than a foot tall.


Spigelia marilandica, Indian pink, was an impulse buy and an experiment last year, but it did great. Probably the mild winter had some good effects. The scarlet buds are about to open and reveal their bright yellow throats.



2 thoughts on “6/16/17: In the garden this week

  1. Hello!

    Do you know if any of the deer repellant sprays are toxic to insects such as bees and butterflies?

    The bottles say 100% natural, but that doesn’t necessarily mean they’re not harmful to the insects.

    I have many deer in my area of Bergen County and the sprays do work, but I don’t want to be harming the insects….

    I have a bottle of LaTorre’s Deerout in my arsenal now. They’re from South Plainfield, NJ.

    Thank you!


    • Sorry, I don’t know anything about deer repellents. I rely on plants they don’t prefer and on mixed plantings, and my vegetable garden is in a community garden with a tall fence.

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