MOST
IMPORTANT SPECIFIC CULTIVATION INSTRUCTIONS FOR ORCHIS AND DACTYLORHIZA
Temperature ;
Most native species are frost resistant and withstand temperatures between minus
15 and plus 35 °C . They especially like important differences between day- and
night temperature .
Light
; Mostly full
sunlight , no protection at noontime required .
Humidity ;
Depending on the species , mostly humid in growing phase . Most
Dactylorhiza ‘s withstands
wet conditions when growing and even completely submerged in wintertime.
Late and midsummer they like soils to drie out .
Compost ;
For garden soils , sandy, loamy or clay-soils , with an open organic
cover (peat, leaves, moss ) and poor of organics beneath
. Pot culture , in order to keep an open well drained mix it is better to
use pumice- and or quartz gravel with organic poor loam or structured clay, but
no more than 5 % .
Repotting ;
Yearly in autumn, winter and spring when still dormant , or in late spring
when growths have reached maturity .
Water
quality ;
Rainwater is advisable , otherwise good quality tap water chlorine less .
Fertiliser ;
Only for pot plants , slow release fertiliser , once a year when growths
have reached maturity .
2 to 5 grains per plant .