Keep in mind when planting that Dwarf Crested is thought of as tender, so remember to ensure that temperatures are mild before moving outdoors. Try to keep the ph of your soil between the range of 6.1 and 7.5 as Dwarf Crested likes to be in weakly acidic soil - weakly alkaline soil.
By our calculations, you should look at sowing Dwarf Crested about 49 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Dwarf Crested is a tender plant.