In situations where the orchard has insufficient pollinators or these trees have become biennial in cropping it may be necessary to supplement the supplies of flowers/pollen in the orchard.
- Where pollen supply in the orchard is inadequate due to biennial flowering of the pollinators, growers should consider placing floral bouquets in the orchard during the flowering period to supplement pollination.
- Where inadequate pollination is a more consistent problem (i.e. in every year), growers should either interplant the trees with additional pollinators or graft branches of these pollinating varieties into some of the existing trees of the main commercial variety.