Penstemon 'Countess of Dalkeith'

Try to plant in a location that enjoys full sun and remember to apply water fairly sparingly. Keep in mind when planting that Countess of Dalkeith is thought of as hardy, so this plant will survive close to or on freezing temperatures. A soil ph of between 5.5 and 7.0 is ideal for Countess of Dalkeith as it does best in weakly acidic soil - neutral soil.

By our calculations, you should look at sowing Countess of Dalkeith about 63 days before your last frost date.

As Countess of Dalkeith is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.