Flowering affects the flavor of the foliage, therefore the flower stems need to be cut if grown for culinary purposes. Trim back the sage by half its height in fall as the plant begins to enter dormancy. Shape the plant as you prune into an even mounded shape. 1
Position in a full sun location and remember to water moderately. Keep in mind when planting that Garden Broadleaf is thought of as hardy, so this plant will survive close to or on freezing temperatures. Ideally plant in loamy and sandy soil and try to keep the ph of your soil between the range of 4.9 and 8.2 as Garden Broadleaf likes to be in moderately acidic soil to weakly alkaline soil.By our calculations, you should look at sowing Garden Broadleaf about 84 days before your last frost date.
culinary sage
1 http://homeguides.sfgate.com/grow-broadleaf-sage-38353.html