Expert Gardener 1.5gal Multicolor Portulaca Live Annual Plant Hanging Basket Sun Cattail Plant Seeds for Planting Heirloom, Non GMO, Wetland Perennia Pure Asia Seeds Strawberry Spinach Salad Recipe Growing How to propagate, grow hazelnut trees and their care 1. Propagation: Choose seeds, cuttings, or grafting. Seeds need stratification, cuttings are taken in spring, and grafting joins scion to rootstock.