Common Name: Crinitaria, Microglossa
Scientific Name: Aster
Family: Asteraceae / Compositae
Origin: well-drained, mountainous sites to moist woodland in the N. hemisphere, particularly North America
Leaves:
alternate, entire, simple, lance-shaped; some softly hairy
Flowers:
daisy-like, either solitary or borne in terminal corymbs, racemes or panicles, strap-shaped female ray-florets in white, pink, blue or purple and tubular, hermaphrodite, usually yellow disc-florets
Light:
from full sun to partial shade
Soil:
well-cultivated, fertile, moist - for sun or partial shade places; well-drained, open, moderately fertile - for full sun places; moist, moderately fertile - for partial shade
Fertilizer:
mulch annually after cutting back in late autumn
Air humidity:
normal
Watering:
freely
Transplanting:
every third year divide cultivars of A. novae-angliae and A. novi. belgii
Dimensions:
not more than 1 m
Propagation:
sow seed in containers in a cold frame in spring or autumn, divide or separate runners, preferably in spring, otherwisein autumn, root basal cuttings in spring
Life:
annual, biennial, perennial and subshrub depending on cultivar
Pests and diseases:
vulnerable to eelworms, aphids, slugs, snails, Fusarium wilt, leaf spot and grey mould; A. novi-belgii are prone to powdery mildew and tarsonemid mites
Species and varieties:

A. acris, A. albescens, A. alpinus, A. amelloides, A. amellus, A. capensis, A. coelestis, A. cardifolius, A. corymbosus, A. diffusus, A. divaricatus, A. ericoides, A. x frikartii, A. himalaicus, A. lateriflorus, A. linosyris, A. mongolicus, A. natalensis, A. novae-angliae, A. novi-belgii, A. pappei, A. pinnatifidus, A. pringlei, A. sedifolius, A. thomsonii, A. tongolensis, A. turbinellus, A. vimineus, A. yomena

Tips:
stake tall perennials from early spring
Hardness:
fully hardy to frost tender
(C) 2006 Green Zone Life


Photo by Maggi_94

Aster -  Herbstaster (  astrum )

Photo by Delicious Monster

Aster Novi Belgii

Photo by brewbooks

Aster ledophyllus