From the brokenness of our humanity we can learn the healing and transcendent wisdom of self-acceptance and the non-judgmental acceptance of others. Meditation makes more sense to the broken or humbled parts of us than to the well-defended, successful or public poses that form the more assertive parts of our identity. Simple and pure awareness, without judgment or evaluation, such as we practice in meditation, is always compassionate.
Ultimately, I think gardening speaks to a deep-seated desire to experience the real, the essential, the astonishingly possible. To garden is gradually to give up control, to fall literally to one's knees and come into closer and closer contact with the tremendous and often bewildering beauty of the world. Nothing, you find, is at all what you thought it was. Dirt is not dirt, but a teeming mass of microorganisms that turns death back into life.