I-Astra iyizinhlobonhlobo ezinkulu ze-shades nezibunjwa zezimbali. Kulula ukusho ukuthi yiziphi izinkanyezi ezimbala ezingatholakali: i-orange ne-green. Kukhona ngisho amabhasikidi amabili, okungajwayelekile kakhulu emhlabeni wemibala. Lokhu kubangela isithakazelo sabalimi futhi kuvuselele umcabango wabakhi bemvelo. Kodwa i-aster, njenganoma isiphi esinye isitshalo, idinga indlela ekhethekile yokulima.
