Flower Color: Green, White Click to see full answer. Also know, how do you propagate Chinese snowball?Place cuttings in a mixture of moistened half perlite, half peat in a clean 2-inch pot. Firm the rooting mixture around the cutting to hold it upright. Place cuttings in a plastic bag. Water the pots, place the sealed bag in a brightly lit area, and keep the rooting medium evenly moist.Secondly, how fast does a snowball bush grow? Expected Growth Rate In general, a viburnum will grow anywhere from 1 foot to more than 2 feet in a year. Of course, compact varieties grow at a slower rate than their taller counterparts. Also to know, how do you grow a snowball bush? Plant a snowball bush in spring or fall. You will need to dig a shallow and broad hole that is as deep as the root ball but is two to three times wider. Fill the hole with the removed soil, with the root crown remaining about two inches above the soil level.What is the difference between a snowball bush and a hydrangea?Snowball hydrangea is a smaller shrub, growing 3 to 5 feet in height and width whose branches grow in a looser, more widely spaced out form. Like snowball bush, snowball hydrangea has toothed leaves, but with more shallow veins. Snowball hydrangea blooms from June through September and comes in different colors.