The non-invasive plant will slowly spread and is easy to divide, in fall, every three to four years. Will bloom continuously if deadheaded.When cut back after first bloom blooms profusely
Plant in a location that enjoys partial sun and remember to water moderately. Keep in mind when planting that Pearl Deep Blue is thought of as hardy, so this plant will survive close to or on freezing temperatures. Ensure your soil has a ph of between 6.1 and 8.5 as Pearl Deep Blue is a weakly acidic soil - weakly alkaline soil loving plant.By our calculations, you should look at sowing Pearl Deep Blue about 56 days before your last frost date.
Plant in moist, well-drianed soil in partial shade.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Pearl Deep Blue is a hardy plant.