One of the best known hydrangeas in this group is the Hydrangea paniculata 'Grandiflora', also known as 'Pee Gee'. Are you sure you want to delete your notes for this recipe? It tends to be a little leggy, with a typical clearance of 2 feet from the ground. Pee Gee Hydrangea will grow to be about 4 feet tall at maturity, with a spread of 3 feet. It is a vigorous, upright, rapidly growing deciduous shrub and can easily be pruned or trained into a small, single trunk tree. Some susceptibility to bud blight, bacterial wilt, leaf spot, rust and mildew. Hydrangea paniculata is one of the most cold-hardy species. In full bloom, the weight of the flower panicles will typically cause the branches to arch downward. Hydrangea paniculata: Common Name: Tree hydrangea, panicle hydrangea, peegee hydrangea: Plant Type: Deciduous shrub or small tree: Mature Size: 8 to 15 feet tall; 8 feet across: Sun Exposure: Full sun to part shade: Soil Type: Organically rich, medium-moisture, well-drained soils : Soil pH: Slightly acidic soil is best: Bloom Time: July to September: Flower Color: White, pink This past spring I pruned them down to practically nothing.They continue to grow massive flowers, causing branches to sag and break. Panicle Hydrangea, Tree Hydrangea 'Grandiflora' Hydrangea paniculata. Every spring, remove branches from the bottom ¾ of the plant and prune the top to a desired shape. Pee Gee Hydrangeas produce large, showy conical panicle flowers. Q: I’m having trouble with my hydrangea trees. It has been around in western gardens since 1829 by Philipp Franz von Siebold, a German botanist and traveler introduced it. Oval to ovate, serrate, medium green leaves (to 6" long). However, this group of plants has come quite a long way since then. H. paniculata grandiflora or “Pee Gee Hydrangea Hydrangea paniculata – Information and Care. Large, showy clusters of white flowers with intoxicating fragrance. Provides late summer bloom when few other shrubs are in flower. PropagationSow seed in a cold frame in spring; take softwood cuttings in early summer, hardwood cuttings in winter. © 2020 The Taunton Press, Inc. All rights reserved. long (45 cm), packed almost entirely with sterile florets. These shrubs may be used for hedging. Hydrangea serrata: Blooms on old wood, do not prune. Aphids and mites are occasional visitors. Blooms on current season's wood; may be cut back to a few buds to form a framework in spring to produce larger flowers, or alternately, allow to grow with minimal pruning. Hydrangea paniculata, commonly called panicle hydrangea, is a vigorous, upright, rapid-growing, somewhat coarsely textured, deciduous shrub that is native to China and Japan. The name paniculata refers to the panicles (racemes) produced by the plant, and grandiflora denotes its large flower heads. Noteworthy CharacteristicsFlowers are good for cutting and drying. In full bloom, the weight of the flower panicles will typically cause the branches to arch downward. It was first formally described by Philipp Franz von Siebold in 1829. ( Hydrangea Paniculata Grandiflora ) can be grown as a tree or shrub and has large white flowering pinnacles that make them notorious standouts in the landscape. Can be trained as a small single trunk tree, but is best grown as a large, multi-stemmed shrub. If you have a pee gee hydrangea, also known as a tree hydrangea, you might be preparing to prune it. Saved by Karmen Hosé. Family Hydrangeaceae . Dark green 3" - 6" long, 1 1/2"- 3" wide It typically grows to 8-15’ (less frequently to 25’) tall, and features oval to ovate dark green leaves and upright, sharply-pointed, conical, terminal flower panicles (to 6-8” long) containing both fertile and sterile flowers (mostly non-showy fertile flowers) that bloom from mid-summer into fall.The genus name Hydrangea comes from hydor meaning "water" and aggeion meaning "vessel", in reference to the cup-like capsular fruit.The specific epithet paniculata refers to the arrangement of the flowers in panicles. The Pee Gee hydrangea grows in acidic, loamy, moist, rich, medium green leaves ( to inches... Soil, in sun to partial shade that can reach up to 25 feet tall long that... Sun to part shade first formally described by Philipp Franz von Siebold, a German botanist traveler... Von Siebold in 1829 be trained as a single-stemmed tree specimen or as a large, shrub! 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