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Chrysogonum virginianumL. [ kris - OG - oh - num , vir - jin - ee - AN - um ] , also synonymously known asChrysogonum australe is a repeated plant known for its ornamental value as a background cover .
This is in consultation to the beautiful brilliant daisy - same bloom growing strikingly against vivid dark-green leafage .
These flowers are the consultation for various vulgar names include golden - knee , green and gold , and goldenstar .
A part of the Asteraceae orcomposite flowerfamily , along withfleabane daisyandCosmos .
This fussy species of the genus is native to North America . You will find it across the eastern United States .
They grow lush across New York , Rhode Island , Louisiana , and northwestern Florida .
The scientific name of the genus is a combination of Greek wordchrysos , which stand for amber .
The wordgonuis a reference to the stem joint .
As for the specific epithet , it mean “ of Virginia ” – a character to its positioning .
Chrysogonum Virginianum Plant Care
Size & Growth
This perennial or semi - evergreen native plant life maturate strong in low mat .
When provided with all the right growing condition , it spreads rapidly through stolons or rootstalk .
As you would expect , it is a greatflowering dry land cover .
It may grow 3”-4 ” inches improbable with a outspread 18 ” inches wide or more .
The foliage has hairy , spoon green folio .
Each leafage is about 3 ” inches long , ovate and toothed .
The brilliant color putting green of these leaves creates a great contrast against the icteric flowers .
Flowering and Fragrance
The Chrysogonum is known to produce a overplus of bright yellow-bellied daisy - similar peak .
The bloom time of lucky - knee plant lasts from early spring to former spring but is extend with deadhead until fall arrives .
The bloom color is typically a bright yellow .
Each flower is about 1.5 ” inches in diameter , abide on flush stems .
These stems spring up in leaf axils and maturate above the foliation .
A stem turn can contact a altitude of 8”-10 ” inches .
The flower on top has 5 petals each , which are rounded and more or less notch .
At the center of each flush , you ’ll find a tuft of sensationalistic disk flowers .
While they are n’t fragrant , these flower certainly put on a great show .
Light & Temperature
Hardy to USDA Hardiness Zones 5 through 9 , green and gold plant specie prefer full shade to part shade .
Some variety of this specie may tolerate the full sun but only when it ’s grown in rich and consistently dampish grime .
Even then , location dappled in partial wraith are better .
The heat of the summertime in mentioned USDA zone is when the Chrysogonum blooms their dependable .
Watering and Feeding
average to blotto soil is the preference of these rhizomatous plant types .
unconstipated watering during summers in raging clime is required for the plant to prosper .
Do n’t overwater in the cold calendar month .
However , if your goldenstar plant are deposit in overly cheery and windy areas , you need to maintain uniform moisture or the plant may dry out up and affect other plants in its proximity along with it .
There is no compulsory pauperism for fertiliser but the plant may profit from it .
If you choose to feed the flora , opt a slow - release , organic convention and add it to the top column inch layer when you transplant them .
Or ameliorate the stain ’s fertility in the outpouring and summer by splosh the provender .
Soil & Transplanting
When it comes to soil , the works is fond to inert or acidic soil .
Average soils with decent drain are optimum .
Even though the works likes unspoiled soil wet , some drainage is ask to forestall beginning hogwash .
Transplanting for the purpose of repotting is usually not required with golden - knees .
These originate as ground cover but are repot when the need arise for propagation by division .
The process is pretty easy as rhizomes are easy to pull up and replant .
Grooming and Maintenance
count it is a low - maintenance plant , there is no demand to care about constant pruning .
Deadheading may be need to prevent the self - seeding process .
How To Propagate Golden-Knee Plants
Not only are these plants fast raiser , but they also self - seed .
Collect the seed and grow them yourself .
Come late spring , collect the seeds plant around the base of the plant .
seed them in a potting mix at a temperature between 70 ° to 75 ° degrees Fahrenheit ( 21 ° – 24 ° C ) .
The sprouting may begin within three week .
Propagation by the division of the crown is also potential but softwood cuttings are the best option .
If your goldenstar variety make stolons , cut and dig them up from mature plants .
Transplant now elsewhere and you are ripe to go .
Golden-Knee Plant Pest or Diseases
problem such as root buncombe and drying is avoided by pick out a location with part sun or full tincture and moist soil .
If you get these right , issues are rare .
There may be some susceptibleness to snails and slug in the spring when young ontogenesis emerges .
as luck would have it , these are amendable .
Powdery mildewordowny mildewmay appear but it ’s possible to treat them .
Chrysogonum Virginianum Plant Uses
It ’s nativity to forest areas , these cervid - resistant plant do great in woodland garden .
They are used for edging native plant gardens , timberland paths , and other tame area .
The bright yellow flowers are also great in rock gardens , specter garden , and border front .
Chrysogonum virginianumvar . brevistolon pairs well withVirginia bluebell , allow beautiful garden interestingness .
