April 4, 2010

Uncovering the Rock Garden

We first viewed our home in Medfield eleven years ago in February. A thick blanket of snow covered everything in sight and all was peaceful. All the snow had melted when we moved in on April 1, 1999. We realized the grim humor of an April Fools Day closing when we walked around to the back of the property that morning. The melting snow and intervening rains had gouged a series of Grand-Canyon-sized gullies, carrying everything in sight down the hill behind our property toward the pond we abutted.


Thus began a civil engineering project that lasted five years and still requires periodic refinements. Several new downspouts were added to the inadequate number that had been installed with the house. A total of seven underground French drains were attached to those downspouts, allowing water to be carried a minimum of fifty feet from the house. Rock-lined trenches extended those drains into the surrounding woodlands.

The fifteen degree slope behind the house was deemed inherently unstable. After rejecting one contractor’s suggestion of a retaining wall, we set out to find a less ecologically intrusive solution. We wanted something that would hold the soil in place yet not interfere with our view of the pond. We wanted something that would provide visual interest from our back windows, deck and porch. We wanted something that would be low maintenance. We settled on a rock garden. And, as Meat Loaf opined, two out of three ain’t bad.

I was thinking of that history this weekend as we uncovered the rock garden from its winter slumber. There were just three, fair-sized rocks when we started. The rest – hundreds of massive stones - had to be brought in. There was little usable soil. Today it is rich and black with compost. The five gardens are interconnected by steps and paths, none of which existed ten years ago. The rock garden today is ninety feet long and forty feet deep at its apex. It contains more than a thousand bulbs, several dozen shrubs and more types of ground covers than I care to count.

Rock gardens attract oak leaves like a giant organic magnet. The top layer of leaves can be removed, gingerly, with a rake. The underlying leaves need to be removed by hand so as not to damage the plants, mosses, ground covers, low shrubs and emerging perennials that are showing green. My wife and I began on Saturday morning at nine. By three in the afternoon we had completed about seventy percent of the job. The balance was completed Sunday afternoon. Before it was over, I carried off three dozens bins of leaves to add to our overflowing compost piles.

The result of this labor is striking. On the Friday before we began uncovering the rock garden, the back of the property was a solid, undulating mass of brown. Even the basic contours of the garden were masked by the carpet of matted leaves. This morning, the rock garden is plainly visible, the intricate walls and terraces still in place despite a winter of frost heaves.  There were even surprises: blooming under the leaves were miniature iris and blue and yellow primrose.

There is as of yet not a lot of green (the accompanying photos are from last May and June). A few of the ground covers retained their color over the winter but the true explosion of yellows, blues, and reds will come in April and May. And, this weekend was just the first of several forays into the rock garden. An azalea has grown too large for its allotted space and needs to be moved – a massive undertaking. The last of the wooden pegs that once held steps in place need to be replaced by steel rods. And, there is a creeping ajuga that needs to be eradicated before it makes the leap from ‘nuisance’ to ‘serious problem’.
But those are issues for another weekend. For now, there is the contentment of a spring chore crossed off.

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