8/19/16: In the garden this week

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Verbena stricta has been blooming since late June and shows no sign of letting up. At its feet is purple lovegrass and daisy fleabane. This is a new garden created by mulching part of the front lawn last fall. Both species of grasses you see here–purple lovegrass and little bluestem–were transplanted in very early spring and are blooming nicely.

I’ve been away for a few days, but the garden looks dry and there was no water in my rain gauge, so it looks like the scattered thunderstorms we were hearing about missed this area. But at least the heat has moderated a bit. So get out there and consider these seasonal garden chores:

water new plantings:  in any week in which we receive less than an inch of rain, water all woody plants installed this spring or last fall. Perennials planted last spring should be well-established, but those planted last fall or this spring need supplemental watering during dry spells. How do you know when we’ve received an inch of rain? I use a highly sophisticated rain gauge–an old yogurt container placed on the ground among the plants. A tunafish or catfood can works equally well. Sunday is my watering day, and I’m going to water my new trees and shrubs.

practice good horticulture with warm-season crops such as tomatoes, peppers, squash, eggplant, beans, corn, and cucumbers: Monitor for insect eggs and larvae and remove them before infestations become serious. Throw out badly infested or diseased plants to prevent the spread of disease (do not compost diseased or infested plant material). Cucumber vines are showing signs of wilt: remove them immediately to prevent the spread of this fungal disease.

— as tomatoes ripen their fruit, cut back on watering to avoid split fruits: provide no more than an inch of water per week. (If it rains, don’t water.) Keep removing suckers. Look at this post, this one, and this one for basic information about growing tomatoes.

extend a garden bed or start a new one (it’s always a great idea to eliminate some lawn): spread a 3-4” layer of cedar or hemlock bark mulch over the area to kill the grass. In the fall or next spring, you’ll be able to plant right through the dying grass and mulch.

collect seeds. Coreopsis seed ripens nearly every day. So does seed of daisy fleabane, a lovely native annual. It pops up in different parts of my garden each year. Some seed of purple lovegrass is beginning to ripen, as are seeds of nodding prairie onion and monarda..

— it’s a good time to prune woody plants, but don’t  put it off much longer. Once growth, flowering, and fruiting are done, the plants are relatively dormant, giving you a window of time to prune before they get ready for their next critical task: leaf abscission (shutting down for the winter). I do most of my pruning in winter, but I also prune back shrubs as needed after they have ripened their fruit.

— pick fruit! Aronia berries are almost ripe, native plums are ripening; elderberries and nonedible fruits such as grey dogwood berries are almost gone–both are bird favorites. The second crop of everbearing raspberries is ripening—yum! The most plentiful crop in my garden is aronia, and I made a batch of aronia/plum jam.

— follow a sustainable lawn care regimen: if you feel you must fertilize your lawn, best practice is to give it no more than two applications of slow-release organic fertilizer each season, around Memorial Day and Labor Day. It’s too hot now to reseed bare areas: wait until early fall. Better still, if you have a place where grass won’t grow, plan to plant something that will, like shade-loving native perennials. Let the grass grow at least 3″ tall for maximum photosynthesis. Lawns do not need water now (or ever), but if you do water, do it infrequently and deeply to encourage deep root growth. One inch of water once a week is much better than a few minutes each day. But remember: the more you water, the more you’ll have to mow!

Enjoy the garden this week! Don’t you feel like we’re starting to transition to fall?

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As sweet joe pye weed finishes blooming, great blue lobelia takes over and asters are still to come in this shade garden.

 

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