How to grow Perennial phlox 'Graf Zeppelin'
Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Graf Zeppelin is thought of as very hardy, so this plant will tend to go dormant over the long winter months. Planting Graf Zeppelin in loamy and clay soil with a ph of between 6.1 and 7.8 is ideal for as it does best in weakly acidic soil to weakly alkaline soil.
Growing Graf Zeppelin from seed
Transplanting Graf Zeppelin
As Graf Zeppelin is very hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.
Harvesting Graf Zeppelin