5/13/16: In the garden this week


This season’s first native geraniums (Geranium maculatum) are opening now. This lovely woodland native does well in poor soil and deep shade.

It’s really, really spring when the geraniums start to open. Our loveliest native geranium is a true spring ephemeral: it appears, blooms, and sets seed within no more than two months, then disappears until next spring. It’s so easy to grow that you can dig it up and move it while it’s in bloom. And as you can see in the photo, it combines will with other shade lovers–notice all the aster leaves.

As I write this the rain has begun, a few hours later than predicted so I was able squeeze in some planting this morning. Two of my clients’ plants arrived yesterday (as did mine). It will be a busy week! But the relatively cool, rainy weather is ideal for planting.

And here are some other things you might accomplish in your garden this week:

divide hardy perennials and grasses. Spring is the best time to divide plants; many will even bloom the same year if you divide them early enough. I start dividing as soon as each species is ready and stop when the weather gets hot, and I try to do it right before it rains (saves watering). Exception: it’s too late to divide tap-rooted plants such as columbine and orange butterflyweed, and many native grasses don’t respond well once they’ve put out a couple of inches of top growth. Wait until next year to divide these plants.

Harvest cool-weather crops such as lettuce, mesclun mix, spinach, arugula and peas. Plant parsley and dill plants, but hold off on basil for another week or so.

— you should have started vegetable seeds for warm-weather crops such as tomatoes and squash a while ago. (You can find a list of dates for starting seeds in this post.) Hold off on putting these tender crops in the ground until around May 20.

Plant! The weather is perfect. Most reliable mail-order nurseries have started shipping. Once the plants arrive, get them in the ground as soon as you can. If you must hold them for a few days, open the boxes, water as necessary, and keep them in the shadiest spot you can find.

— if you or your lawn service has sown grass seed, water several times a day until the grass is up. Otherwise you’re just scattering birdseed. And unless you’ve seeded it,  lawn certainly doesn’t need watering, and it’s still too early to fertilize. Wait until Memorial Day. Even better, don’t fertilize at all this year. I bet the grass will do just fine.

It’s very hard to stay out of the garden in spring! Enjoy the garden this week.


Our native Tiarella combines well with other shade-lovers, such as asters, ferns, columbine, and Heuchera.



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