Keep in mind when planting that Spring Cascade is thought of as hardy, so Spring Cascade will tend to go dormant or grow slowly over the winter months.
Growing Spring Cascade from seed
Soil temperature should be kept higher than 10°C / 50°F to ensure good germination.
Transplanting Spring Cascade
Plant out early summer, after hardening off the plants for 2-3 weeks
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Spring Cascade is a hardy plant.