Corona Garden Diary 3/30/20: No, April isn’t Canceled

In the wake of Virginia governor Northam’s stay-at-home order today, I saw a headline that said “April Canceled.”

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Clusiana tulips ‘Cynthia’.  They close up when the sunlight starts to fade.  When they are open they are yellow.  When they are closed they are pink.  I like these little pink spears.

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Blue & Gold.  My old high school colors.

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Wood poppy.  (Stylophorum diphyllum) Another “good spreader”

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Redbud ready to pop

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Epimediums are a terrific groundcover.  Here they are growing right at the base of a black walnut.  They spread slow but steady.

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Solomon’s Seal.  A steady spreader.  I started with 4 plants 3 years ago.

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New foliage on Oakleaf hydrangea with last fall’s burgundy foliage hangin’ on.

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April canceled?  The gardens have not gotten the message.

Black Walnut Inspiration

For when you get demoralized thinking about all the things you can’t grow under your black walnut, take heart.  This venerable black walnut tree, located at Green Spring Gardens in Alexandria, VA, holds court over a lovely planting of magnolias and shade perennials:

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I did not check to see if the magnolias were marked, but they are probably a cultivar of M. soulangeana, and they are pretty glorious right now.

Underneath was a comely mixture of bear’s foot hellebores, other hybrid hellebores, Japanese Shield fern, and Virginia bluebells:

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This bed would be the envy of any woodland gardener, so those of us with black walnuts should not be feeling sorry for ourselves.  I will say that the folks tending this garden add quite a bit of shredded leaves to their beds, which makes the soil nice and fluffy and the plants plenty healthy.  My gut tells me that healthy, rich, organic soil tends to counteract the effects of juglone for plants that might be semi-susceptible.

However, I personally have hellebores, ferns, and bluebells growing very robustly under my black walnuts in terrible, dry soil.  So I think these plants will grow well even if you don’t give them perfect duff.

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What I’m rrrrrrreally jealous of with this garden bed is that mid-layer — the magnolias — which connects the ground layer to the big black walnut and pulls it all together.  I have not had as much success getting small ornamental trees to survive with my BWs….maybe I need to put M. soulangeana on my shopping list….

Definitely a “come hither” tree when in bloom:

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