If you ’re looking for an attractive shrub of a manageable size that has an extra - long bloom season , the potentilla shrub ( _ Potentillaspp . ) could be a pure choice for you . Also call cinquefoil , a French word consult to its five - petaled flowers , this mathematical group of plants let in herbaceous perennials that die out to the ground during wintertime , along with shrubby cinquefoil ( Potentillafruticosa _ ) , a woody , semi - evergreen plant that ’s 1 to 3 feet tall , depending on the cultivar . It grows in U.S. Department of Agriculture plant hardiness zone 3 through 7 and needs only basic forethought to boom .
Choosing a Site
Shrubby cinquefoil isadaptable to unlike idle conditions , grow best in full sun but also tolerating fond shade . If summer Sunday is hot where you endure , choose a touch where the flora aim some light tad during summer afternoons .
Cinquefoil also is n’t finical about soil provide it’swell - drained ; the plant can grow in sandy , rocky soil but also does well in loamy ground . If your dirt is mellow in clay and run to enfeeble slowly , add about 2 column inch of coarse sand to your planting area , commingle it into the top 6 to 8 inches of grunge . Boosting your grime ’s natality withcompostcan also help oneself get the plant off to a good start ; mix about 2 in into the area with a nigga or pitchfork before planting a new five-finger .
Tip
Cinquefoil attractshoneybees and caterpillars of butterfly stroke and moths , but is n’t eaten by cervid .
Providing Adequate Space
When planting a young cinquefoil , it ’s crucial to keep the bush ’s ripe size of it in mind so that you give it enoughroom to spread fully . The shrub comes in several different variety , so check with your nursery or read your plant tatter to determine how large it becomes , and plan consequently . For instance , * * ' Coronation Triumph ' * * ( Potentilla fruticosa ' Coronation Triumph ' ) can be 4 metrical foot tall and wide ; if you plant several of these , space them at least 4 feet apart , and allow 2 feet of free space in all directions around a single shrub . Another eccentric called * * ' Hallman Dwarf ' * * ( Potentilla fruticosa ' Hallman Dwarf ' ) is only about 18 inch magniloquent and wide-eyed , so space these plant 18 inch apart . Both varieties grow in USDA zones 3 through 7 .
Watering, Fertilizing and Other Care
five-finger shrubs are quite broad of dry conditions once established , but a new planted bush welfare fromeven moisturefor its first grow season . Provide extra piddle whenever the top inch of soil experience dry to your fingertip , but water with a soaker hose or drip irrigation tokeep foliation juiceless ; this helps prevent emergence of fungous organisms . It ’s also helpful to irrigate early in the day so water dry out quickly .
This bush does n’t require dressing , but you could give it a boost by feeding it in recent wintertime or very early spring , just before it cast out Modern growth ; waitress until the second class after plant , to nullify cauterise Modern roots . Use a granular chemical formula designed for rose , such an constitutional 4 - 3 - 2 product , mixing about 1 1/4 cup into the top inch of soil around each flora , but see your intersection recording label for further focusing . piddle fertilizer in well .
Cinquefoil does n’t need regular pruning , but you should remove any crossing branches that itch on each other or any that become discredited , doing this in belated wintertime or early spring , before new growth get . you may also prune in fall after the works becomes dormant , but avoid rationalise in summer while the shrub ’s mature actively . If flowering slows on older branches , provoke new growing by removing some older subdivision at their origins from larger branches or at ground level .

Avoiding Problems
A cinquefoil shrub is usuallyfree of any serious pest or disease job . It might attractspider jot , microscopic pests that make web - like coverings on leaves and stanch . Control these by spraying with * * insecticidal soap , * * diluted at a charge per unit of 5 tablespoonful per gallon of pee ; double the discussion every two weeks as needed . The plant might develop somefungal problems — dark spots on leave of absence or fluffy clean mildew — if mature in overly damp conditions . To foreclose these problems , remove any industrial plant detritus regularly and only water supply at the works ’s base .