How to Divide Asters. Perennial division is relatively straightforward. With asters, the root mass spreads so you will be planting the outer growth and discarding the old center roots. Aster Seed Sowing – How And When To PlantAster Seeds. You can find potted asterplants at many garden stores, but growing asters from seed is easy and less expensive. Asters How To Divide Asters Tips For SpittingAsterPlants In The Garden. Plant DetailShow Menu. Aster is often confused withSmall plant in profile with erect, linear leaves and white fls. Aster alpinus var. vierhapperi. Habit and flowers. Asterplants are also a natural fit for cutting gardens. Asters vary in height from two to six feet tall. Longer stemmed types need staking, but provide wonderful stems for vases. Planting of asters to get seedlings – when to sow aster. What to do when asters have faded. Difficulties in growing of aster. G.L.Nesom. Plant Family Aster (Asteraceae). Garden Location Historical, introduced 1912, not extant. Prime Season Late Summer to Autumn. Plantasters with confidence! Follow our guide for soil preparation, spacing, and care to grow healthy, vibrant flowers in your garden. Learn how to grow aster flowers, including varieties to grow for autumn colour, in this detailed Grow Guide from BBC Gardeners' World Magazine. Planting Time. Aster flower seeds can be started indoors 6 - 8 weeks prior to the end of frost season or directly seeded outdoors in the spring. Some asterplant diseases are more superficial than anything, and will not affect the plants’ health or ability to bloom. These include rust and powdery mildew. How to grow Asters. Asters are a large group of plants, consisting of many different species, each one offering something different in height, colour and design potential. Very rich, dark purple flowers are produced above dark green foliage in early fall to midfall. A perfect finale to the growing season! How to Care for New England Asters. New England asters require full sun, which is considered 6 or more hours of direct sunlight per day. They will not bloom well in full shade locations.
