Throughout the United States.
Select dormant or growing plants. Pick off all but 2 or 3 of the healthiest leaves. Prune away a third of the roots. Set the plants 18 inches apart with the roots fanning outward. The crown should be just above the soil level. As runners develop, maintain the rows no wider than 18 to 24 inches. Runners can also be removed throughout the season and established as separate plants.
Any good, well-drained garden soil that is high in organic matter. pH 5.5 to 7.5.
How much: Apply enough water at each irrigation to wet the soil to a depth of 8 to 10 inches. How often: Water when the soil 1 inch below the surface is barely moist.
At planting time, add 1 pound of Scotts All Purpose Flower & Vegetable Food per 100 square feet, or 1/4 pound per 25-foot row. Side-dress after harvest every year with 1/2 pound per 25-foot row.
For maximum production the second year, remove blossoms and runners the first planting year. Plants will usually be productive for 3 to 4 years.