Answer: If you are planting perennials and shrubs, you can amend the clay soil with organic matter and the plants will grow well. Simply spread 4-5 inches of compost or other organic matter over the planting bed and dig or rototill it in to a depth of 8-10 inches. Organic matter will loosen the soil and help it drain faster which will make it easier for your perennials and small shrubs to thrive and flower nicely for you. If you are planting large shrubs and trees, it is most important to select plants that are adaptable to clay soil because, when you think about it, the plants roots will need to extend far beyond that original hole. Modern planting methods indicate that loosening the soil in a wide area and down somewhat deeper than the root ball is critical in encouraging the roots to grow well. Watering is also critical. The soil should be kept moist but not soggy in an area slightly larger than the roots -- roots will not grow into dry soil. Hope this answers your question!
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