Common lilac 'Firmament'

Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Firmament is thought of as hardy, so Firmament will tend to go dormant or grow slowly over the winter months. Ensure your soil is loamy and clay and has a ph of between 6.0 and 7.5 as Common lilac is a weakly acidic soil to weakly alkaline soil loving plant.

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Firmament is a hardy plant.