Cut the plant entirely to the ground in fall when the flowers and stems wilt using garden shears. Mulch the plant to protect the roots from cold weather.
Enjoys a full sun position in your garden and remember to water moderately. Keep in mind when planting that Sentimental Blue is thought of as very hardy, so this plant will tend to go dormant over the long winter months. A soil ph of between 6.1 and 7.8 is ideal for Sentimental Blue as it does best in weakly acidic soil - weakly alkaline soil.By our calculations, you should look at sowing Sentimental Blue about 49 days before your last frost date.
Chinese bell flower