Ecological features: Lavender , also known as perfume plants, spiritual herbs , vanilla, yellow incense Germination Period : usually in June - August flowering . Whenever the wind from the bloom , the whole slice of deep purple lavender fields like waves heaving up and down layers , is very beautiful . Planting techniques : Lavender temperature for seed germination 15-25 degrees ,Because there is a longer period of dormancy before planting required Soaking six hours Re- planting ,Germination time two weeks .If you do not have to gibberellin treatment will have a month or more to germinate. The formation of fine soil before planting , irrigated , and then evenly sprinkle the seeds , and then covered with a layer of fine soil , thickness of 0.2 cm . Keeping requirements seedbed moist seedbed can not sand . Lavender semi heat-resistant , hi cool, at 5-30 can grow , but long-term higher than 38 the top leaf yellow . It began long northern winter dormancy below 0 , a Miao -20--25 low temperature when dormant . Lavender does not like the roots are often water retention. After once irrigated , should be to give water when the soil is dry , the surface of culture medium dry internal humid degrees , slight wilting leaves mainly. Watering in the morning to avoid the sun , the water will not splash the leaves and spend , otherwise perishable , and the breeding of pests and diseases. Continued Humid conditions may cause the roots do not have enough air to breathe and poor growth, and even sudden death of the whole plant , cultivated lavender must pay attention to this point.