Hypericum frondosum Michx. Common Name(s): Cedarglade St. Johnswort; St. John's wort; Phonetic Spelling hy-PER-ih-kum frond-OH-sum Description. It inhabits glades and dry limestone ledges. Hypericum frondosum 'Sunburst' (Cedar grove St. John's wort 'Sunburst') will reach a height of 0.9m and a spread of 0.9m after 5-10 years. And the plant's easy fullness and naturally-angling branches don't lend themselves to either staking for extra height, or renewal-by-pruning to recapture ground-level density. Happily, comparatively erect new growth emerges readily from new basal stems as well as from the sides of now-leaning older stems, so that there's no need to prune to enhance fullness higher up, either. Hypericum frondosum is a small, dense, upright, mounded deciduous shrub that is noted for its large showy golden yellow flowers and attractive blue-green foliage. Remove 50% to 75% of the top of the shrub maintaining a mounded form. Sign up for twice-monthly eNews, plus notification of new posts: Shrubs that flower on new wood and, so, bloom despite any Winter die-back, New England Home Design Blog, Winter 2015, The Washington Post — "Can a Garden be Too Bee-Friendly? It's safest to surround 'Sunburst' with neighbors that enliven through contrasts in texture and scale, all helped along with foliage that's colorful and sometimes variegated, rather than through addition of contrasting colors. Hypericum frondosum 'Sunburst' Join the RHS today and get 12 months for the price of 9. 3' x 3' (100cm x 100cm) Plant Colour. Hypericum frondosum is a small, dense, upright, mounded deciduous shrub that is noted for its large showy golden yellow flowers and attractive blue-green foliage. Tolerant of some drought. Next, the dense, small, dark-green foliage of a columnar broadleaved evergreen, Ilex crenata 'Sky Pencil', thrusting through the white-yellow foliage of Cornus alba 'Aurea'. And here's how to grow this unusually agreeable shrub: Depending on the severity of the climate, an evergreen, semi-deciduous, or deciduous shrub. Introduce additional colors with caution if the result isn't to be jumpy or, simply, thoughtless. its cultural tolerance: See "Culture," below. 4 Reviews. At the back of my 'Sunburst', I've planted Ligularia palmatiloba, whose large orange-yellow daisies make the flowers of 'Sunburst' seem small, and whose tropically-big, toothy, green foliage is a show in itself. In itself, a profusion of blooms is always an achievement. Hypericum frondosum 'Sunburst' Sunburst Golden St. John's wort. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Second, there's a prevalence of rose- or daisy-like flowers in the Summer, and they will look repetitious next to those of 'Sunburst' regardless of how well their colors harmonize. To the side, the spreading feathery mound of Acer palmatum 'Red Pygmy'. And yet the shrub does set seed, forming reddish-brown capsules that are modestly showy. Retail; Nursery Name City State / Province ; Goodness Grows, Inc. Lexington : Georgia : Goodness Grows, Inc. Add your review. This is usually listed as June into July, but flowering continues into August for me. Sunny Boulevard ® Hypericum x 'Deppe' USPP 20,045, Can 3,587. Myrtle's easy when the conditions are right. 'Sunburst' flowers appear singly or in clusters of just a few blooms held tightly side by side. Besides the phygelius, other helpful "spikers" include Kniphofia 'Bressingham Sunbeam' or 'Shining Sceptre', Sinningia 'Bananas Foster', and Verbascum densiflorum. Attracts birds, pollinators, or wildlife. Native geographic location and habitat. A popular cultivar, Hypericum frondosum 'Sunburst' (St. John's Wort) is a tight, dense, upright, mounded shrub with large, golden-yellow flowers, 2 in. The bees vibrate with intensity as they work their way around the unusual "wreath" of yellow-to-amber stamens. Type Deciduous. a mad scientist, searching out plants that most people have, never seen before & figuring out how to make them perform.” - The Boston Globe, or just about any other place where concrete consumes, the dirt and skyscrapers shield the sunshine.” - USA Today. Are there small flowers that are borne in spikes or racemes, have amber details, and are not radially symmetric? Allergic to bees? Only after such a diversity of partners whose display doesn't depend a bit on flowers is it time to add a few plants for whom flowers are their peak moments. 1. The cool, blue-green foliage of this St. John's wort contrasts beautifully with its summer and fall display of bright yellow flowers. 1. golden St. John's-wort. With its tolerance of heat and sun, its hardiness, and its preference for excellent drainage, 'Sunburst' should be a prime candidate for planting in larger soil pockets in south- or west-facing ledge. Unusually for plants in my garden, 'Sunburst' is best when allowed to grow freely. Louis tries to capture the exact words to describe the fleeting but deep pleasures to be found in these Summer-into-Autumn incredibles. Anything less than outright killing won't affect that season's flowers: They develop at the tips of new growth, and the bush resprouts easily and profusely, even directly from the base. Banks and Slopes, Beds and borders, Cottage/Informal, Drought Tolerant, Ground Cover, Low Maintenance, Planted in groups. It is a medicinal herb used as an antidepressant and for its anti-inflammatory properties. Join now. Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. Tolerates … A deciduous, much-branched shrub of rounded habit, about 4 ft high, often rising on a single stem from which the lower branches have fallen, thus giving it the aspect of a miniature tree; the older branches covered with a greyish brown, peeling bark; young shoots two-winged. HYPERICUM frondosum 'Sunburst' Plant Common Name. Setting a pot of 'Zinfandel' oxalis near a 'Sunburst' would be an easy double-hitter: Its yellow flowers are the same hue as the hypericum's but a fraction the size. 'Sunburst' is reported to be more compact than the species, and matures to about three feet tall and four feet wide; my old shrub is easily four feet high and six feet wide. its habit: As is typical of Hypericum, 'Sunburst' is naturally mounding and bushy. It is a small, dense shrub that grows 2-4 feet tall and wide with a rounded dense form. Here's a look at the intriguing branch structure of 'Sunshine' in full reveal in Winter. © 2021 LouisLovesGardening, Ltd. All rights reserved. This can be done by a lawn mower or by careful use of a strimmer. 'Sunburst' being 'Sunburst', the shrub's performance seems as willing and vigorous as ever. Hypericum St John’s Wort – Pruning, Winter Care and Fertilizing. The stamens form a bright yellow wreath around the large shiny ovary that is tipped, like some comical form of fez, by a central spiky pistil. Flower Color Yellow. It is native from Kentucky to North Carolina south to Georgia, Alabama and Texas where it typically occurs in rocky hills, limestone glades and barrens. Pleasingly full without appearing dense or heavy. As the planting in my beds becomes ever denser—there are always scores of new plants to try, but only so much more planting area to be created—my only intervention with 'Sunburst' is to remove a very occasional branch right to the base, to open up a scant square foot so that yet another tall and narrow shrub or perennial can soar skyward. Care Moist but well-drained soil of moderate fertility. Plants flower on new wood, prune in spring. The straight species, Hypericum frondosum, is also worth growing, especially where its somewhat larger size is an asset, as would be the case in large-scale mass plantings. How to handle it: Another option—or two? Find help & information on Hypericum frondosum 'Sunburst' from the RHS The genus has a nearly worldwide distribution, missing only from tropical lowlands, deserts and polar regions. Even when not in leaf, the show doesn't quit: Older branches have exfoliating bark, and develop a windswept angularity. Bloom Time Summer. St. John's Wort, St. Johnswort, Sunburst St. John's Wort. its habit: As is typical of Hypericum, 'Sunburst' is naturally mounding and bushy. Attractive exfoliating reddish-brown to purplish bark develops on mature stems. Prefers rich, sandy loams. At the back of my 'Sunburst', I've planted, The growth habit of 'Sunburst' is full, mounding, and regular enough that the shrub can be planted. Because its branches develop attractive bark as they age, as well as bending ever lower with weight, the bushes don't need to be pruned so as to enhance the density of growth near the ground. I like the bright yellow flowers on my shrubby St. John’s Wort, Hypericum frondosum ‘Sunburst’. The swelling greenish-yellow buds are the start of a flowering season that can last nearly two months. Leaf spots can be a problem. Susceptible to nematodes which can cause root rot. 1 Review | Write a Review. Sunburst St. John's Wort Hypericum frondosum 'Sunburst' Sku #4213 . Leaf spot, mildew and rust are less threatening. Further, the shrub's naturally mounding habit and semi-sideways branching ensures that there are plenty of new shoots from the side buds of those branches, which, in turn, ensures plenty of flowers. Dense, blue-tinged, green foliage on a compact, upright shrub that is excellent as a foundation plant, in mass plantings, and informal hedges. Mulch roots in winter. The plants need to be cut down to as near soil level as possible. The best time to prune this way is late winter or early in the spring when the plants are still dormant. Hypericum "Hidcote," commonly known as St. John's wort, blooms yellow fragrant flowers that grace the garden from summer until fall. So for floral partners, look for flowers that are dramatically smaller, and that are arrayed in complex groupings of scores or even hundreds. across (5 cm), from early to mid-summer. Easily grown in average, medium, well-drained soils in full sun to part shade. First, remember that 'Sunburst' flowers for many weeks, which few other hardy partners could sustain. There are very few rules in gardening, but perhaps the most important one is to work within your zone. (If you can think of another plant that features amber in its Summer foliage, fruit, or flowers, you could create a subtle tie-in with the amber bases of the stamens.) Light Needs. The habit is naturally full and bushy, so routine or formative pruning is necessary only if Winter was harsh enough to cause dieback. Ht.1mt.(3ft.). It grows to 3-4’ tall and as wide. As the Latin "flava" suggests, something about this plant is yellow: the flowers, of course. Cutting grown. Brightens the midsummer landscape with colorful bright yellow flowers. Mounding and full to the ground, with attractive cinnamon-barked branches that develop an artistic gnarliness and irregularity with age. In itself, a profusion of blooms is always an achievement. To the other side, my colony of Patrinia. Hypericum frondosum, or Golden St. Johnswort (the species) is a small, semi-woody shrub which grows in states all across the Southeast, but is not common. This plant has no children Legal Status. If the individual flowers are narrowly tubular and, like pea flowers, symmetrical only across a vertical plane, so much the better. Begin with a yellow-foliaged conifer, as scarily bright in high Summer as your climate will permit. Hypericum Growing and Maintenance Tips 'Sunburst' tolerates full sun to partial shade, and a wide range of soils. As proof, mine is in its sixth year, and has never shown a moment's hesitation even when growing in my heavy dead-level soil that offers only sketchy Winter drainage. For a woodland garden, use small trees such as flowering dogwood or eastern redbud to create partial shade for ‘Sunburst’ St. John’s Wort and other shade-tolerant plants. Better to include flowers just as the icing on the cake—and only after you've ensured that the cake itself is as spicy, juicy, and sturdy as possible. Location. In NC, it is reported to occur in only two counties (in the mountains). ", Good Housekeeping Magazine — "Secrets of a Small Garden" — Secrets & How-To's. 3. Southeastern U.S. to TX. So for floral partners, look for flowers that are dramatically smaller, and that are arrayed in complex groupings of scores or even hundreds. Synonyms: H. aureum Bartr., not Lour. Leaves blue-green, oblong, 1 to 2 in. Happily, comparatively erect new growth emerges readily from new basal stems as well as from the sides of now-leaning older stems, so that there's no need to prune … Prune as needed to shape after flowering. It is an easy way to clean the plant of old seed heads and improve the general appearance. It is native from Kentucky to North Carolina south to Georgia, Alabama and Texas where it typically occurs in rocky hills, limestone glades and barrens.