Allergic to bees? (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.) The bases of the stamens are amber, suggesting additional coloristic possibilities for plant partners. Native. Its tolerance of occasional pruning and its opportunistic outward growth enable it to work as excellent filler around more upright and, especially, columnar companions. Add your review. Habit: Broad-rounded, dense and uniform: Size: 3-4' high: Color: Dark blue-green : Hardiness: Zone 5b USDA : All information on this site is copyright protected. Long blooming; Native to North America; Attracts pollinators; Description. Mulch roots in winter. 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. Height 3 - 4' Width 3 - 4' Finish Time 1 season. Golden-yellow flowers with a beautiful bushy centre of stamens, produced from June to July. Pleasingly full without appearing dense or heavy. 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. 1. But the shrub seems to thrive in regular soil of almost any pH as long as the drainage isn't outright terrible. 'Sunburst' Nursery Availability 1 - 16 of 16. Begin with a yellow-foliaged conifer, as scarily bright in high Summer as your climate will permit. Because the foliage is distinctly blue and the flowers are bright yellow, 'Sunburst' brings plenty of color to any setting. And here's how to grow this unusually agreeable shrub: Depending on the severity of the climate, an evergreen, semi-deciduous, or deciduous shrub. Are there small flowers that are borne in spikes or racemes, have amber details, and are not radially symmetric? This is "Hypericum frondosum 'Sunburst' 071818" by Louis Raymond on Vimeo, the home for high quality videos and the people who love them. 1. Yellow. If the individual flowers are narrowly tubular and, like pea flowers, symmetrical only across a vertical plane, so much the better. See "Plant partners," above for suggestions for plant combinations that synergize with the coloring, texture, habit, and soil and exposure preferences of 'Sunburst'. 'Sunburst' being 'Sunburst', the shrub's performance seems as willing and vigorous as ever. Probably because there's plenty of clay soil and high heat where 'Sunburst' is native, it is among the most easy-going and durable of hypericums in climates where hot and steamy Summer weather is the norm. And its burgundy clover-like foliage is a strong counter to the cool blue-green of the hypericum. These conditions are so specific they may finally goad me into growing Phygelius aequalis 'Yellow Trumpet'. Listed in the RHS Plant Finder. Attractive exfoliating reddish-brown to purplish bark develops on mature stems. Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden. Flowers bloom on new wood, so winter damage will not adversely affect flowering. Blooms in June and July. 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. Then prune after the shrub has started into growth, so that you can easily discern which sections of which stems have been winter-killed. Susceptible to nematodes which can cause root rot. These conditions are so specific they may finally goad me into growing, With the range of floral temptations introduced above, it would easy to overload the garden around 'Sunburst' with flowers. Hypericum frondosum Sunburst (St.John's Wort) Features. Hypericum frondosum 'Sunburst' Scientific Name: Hypericum L (Hypericaceae) frondosum Michx. Click on a place name to get a complete protected plant list for that location. Some summer touch up (after the shrub blooms), to reshape and remove spent flowers, will improve the look of the plant while stimulating additional … To my eye, the only color to add that is, at once, contrasting but not clashing, is burgundy. Cutting grown. Hypericum frondosum Michx. its habit: As is typical of Hypericum, 'Sunburst' is naturally mounding and bushy. Please see our copyright statement. Plan on pruning off about one-third of the total height of the shrub in mid or late March. Synonyms: H. aureum Bartr., not Lour. In itself, a profusion of blooms is always an achievement. 1. Photo by . 'Sunburst’ is a popular cultivar that, in comparison to the species, features slightly larger flowers (to 2” diameter) on a more compact plant (to 3’ tall). Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. Hedge. 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. It is a small, dense shrub that grows 2-4 feet tall and wide with a rounded dense form. When plants die to the ground in winter, the roots often survive and send up new shoots in spring. Bright yellow flowers with a burst of fluffy yellow stamens in the center of each. Small flowers borne in large broad or rounded groups such as umbels, panicles, and corymbs would also be fool-proof: Consider Cassia corymbosa, Cestrum 'Orange Peel',  Patrinia scabiosifolia, and Buddleja x weyeriana 'Honeycomb'.