How to plant periwinkle seeds for easy germination: sowing time, seedbed requirements, sowing method.
1, sowing time
Periwinkle seed sowing, want to make it easy to germinate, then it needs to be carried out in the appropriate time, the most suitable germination temperature of periwinkle seeds in the 20-25 degrees Celsius, according to its habits, generally the best in the March-May time sowing, when the The climate is most conducive to its germination and growth.
2, seedbed requirements
The periwinkle seeding want to make it easy to germinate, the seedbed to choose the terrain is high and cool, sunny and well-drained places, the seedbed soil is best to use peat soil and perlite in accordance with the ratio of 3:1 mixture of the preparation, so that is most conducive to the growth of the periwinkle germination, it is not advisable to use the soil as a sticky heavy plate knot seeding The best way to do this is to mix peat and perlite at a ratio of 3:1.
3, sowing method
Periwinkle seeds are relatively small, generally use the method of sowing, the seeds evenly spread to the substrate, and then covered with a layer of fine sandy soil, to avoid direct exposure to the light of the seeds, and then watered with a fine spray bottle, so that the soil is slightly moist state, so that about 7-10 days it can be sprout.
Precautions:
After sowing periwinkle seeds, if you want it to sprout quickly, then you can also cover the surface of the substrate with a film or grass curtain, which can play a role in heat preservation and moisturizing, and then remove the film or grass curtain in time after the seedling grows and gradually let it receive light to promote the vigorous growth of periwinkle.
Sexy like high temperature, high humidity, semi-shade tolerance, intolerance of cold, the optimal temperature of 20 ℃ -33 ℃, like sunshine, avoid wet and afraid of flooding, general soil can be cultivated, but saline soil is not suitable, to well-drained, ventilated and airy sandy or humus-rich soil as well, the flowering and fruiting period is almost throughout the year.