Periwinkle Planting Instructions from Pacific West Botanicals
 
 
zone: 1---2---3---4---5---6---7---8---9---10
 
  west/east(of theSierras):wet/dry
 
 
 
 
 
 
 
 
 
 
 
 
                Periwinkle Planting Instructions 
elevation:x 1,ooo': 0-2', 2-3', 3-4', 4'-up
latitude N.: 19-29,   29-39,   39-49 degrees
  sun/shade:  full/half/little
  water h2o: xtra/reg/sparse
  location: ridge/slope/valley
type:annual/biennial/perennial evergreen/deciduous
   germination: %  viability  season    time     temp  depth   stratify    soil          ph      water
soil conditions/ph:  clay, swampy/ well drained /rich loam /sandy,poor / acid / neutral / alkaline
  trees/shrubs,  bushes,  herbs,  vines.
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  Click on headings for explanations and on hi-lited links for companion botanicals.
  Elevation to 1,200 meters. Propagation by division or stem cuttings in spring or fall. 
  Prefers loamy, well drained calcareous soils, can be invasive, keep it within bounds.
  Likes warm lower altitudes with some shade and moisture, below 4,000'.
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