Crataegus monogyna grow and care ? tree of the genus Crataegus also known as Common hawthorn or Single seed hawthorn, Crataegus monogyna perennial deciduous plant, grow for the edible fruits, but also used as ornamental plant and can grow as bonsai, can grow in temperate, mediterranean, subtropical climate and growing in hardiness zone 4b-10a and with the right care in hardiness zone 10b. Leaves color green lobed to deeply lobed with serrated edge. Flower color is white in the inner part is yellow and the stamens are red, the flowers grow on clusters. Small to mid-sized deciduous thorny bush to small tree can be kept trimmed to desired size and even does well as a hedgerow species. Hawthorn trees are pretty dependably grown from seed but it takes patience. Seed sown in the spring will germinate the following spring?sometimes exactly 365 days from sowing! Seed sown in the fall usually germinates the following fall. Seedlings are very tough and can persist in nature for years until they get the chance to grow into trees. Work up the seedlings out in gallon pots for a year or two before transplanting to landscape. Tree prefers full sun to part shade and deep, moist to mesic soil of average fertility. No compost or fertilizer is needed or recommended. Space trees 30 feet apart or if making into a hedgerow plant 5 feet apart. A giving plant to bird and beast alike.