Vinca ( Vinca major ) , ordinarily call bigleaf periwinkle , bad periwinkle or blue buttons , is a low - criminal maintenance , easy - to - grow evergreen plant groundcover hardy in U. S. Department of Agriculture flora hardinesszones 7 through 9 . Its aggressive outgrowth wont and adaptability to a wide variety of environmental conditions make it both darling and hat by nurseryman . Vinca vines can raise to about indefinite length , producing new steady down plant anywhere the radical node rival the earth .
It is an effective groundcover plant for difficult - to - blanket areas . Glossy , green stem produce bright blue single flowers in other spring and sporadically throughout the summer depending on the amount of sunshine .
Tip
Two other type of periwinkle are often bemused withVinca major : _ Vinca minor , a subtlety - loving , smaller cousin-german andCatharanthus roseus _ , summertime - flower Vinca .
Propagation
Things Needed
Step 1
nip off a few vine of plant periwinkle or pull up fresh take root plants .
Step 2
plant life cuttings in a small pot ofwell - enfeeble , moistpotting grime and site them in a shadowed spot out of doors . When cuttings have rooted , transplant them to want area space them about 18 inches apart to allow for spread .
Step 3
Keep new cuttings or newly transplanted plants well - watered .
Growing Requirements
Moisture
Big Periwinkle will thrive in all type of dirt but does adept inrich , dampish ground . When planted in free or dry soil , extra wateringmay be required .
Sun
Full sunshine fix will farm more flowers but ifrapid groundcoveris the goal , more vines are produced in shady web site .
Fertilizer
Vinca does n’t necessitate a regular fecundation routine for abundant growth . feed only when needed , preferably in the spring . Apply a consummate granular fertilizer like 10 - 10 - 10 at a rate of 6 to 8 pounds per 1000 square feet or arena . Sprinkle the plant food among the plants at the specified pace and body of water in good .
Best Uses
Vinca fits in in effect in large surface area as it quickly outgrow smaller spaces . Even then , tweet back new growth helps keep it in bounds .
Cultivars
Warning
Vinca majoris considered to be invasive in the southeasterly United States , California , Oregon , Washington and New Mexico . It easy scarper cultivation through the disposal of railyard dissipation and forms thick root mats that exclude native vegetation along streambanks and in surface area with shadowy , moist soil .
