M-Tech Gardens Aster Red Climbing Rose Seeds Rosa Multiflora Perennial Fragrant Flower Home Decor, 20 Seeds Growth Habit Rose - Sunny, Cold, Drought, Drainage, Loose Fertile Loam Or Light Loam, Poor Growth In The Clay Loam, Flowering Poor. Should Be Planted In A Well Ventilated Place, Far Away From The Wall To Prevent Sunlight Reflection, Burn Buds, Affecting Flowering. Rose As Positive Plants, Full Sunshine Is Rich Color, Flavor Is Also Concentrated. Growth Season Less Than 8 Hours Of Sunshine Is Leggy Without Flowering. The Air Humidity Is Less Stringent Requirements, Low Temperature, Humidity, Rust And Powdery Mildew Occurs; Flowering Season Requires A Certain Degree Of Air Humidity; High-Temperature Drying Oil Production Rate Will Be Reduced. Rose On The Soil Ph Requirements Are Not Strict, Slightly Acidic Soil To Slightly Alkaline Soil Can Grow Normally. Winter Snow-Covered Areas Can Tolerate Low Temperature Of - 38C To -40C, Snow-Covered Areas Are Able To -25C -30C Low Temperature, But Not Early Spring Drought. Soil Has Not Yet Thawed And Windy Areas Of The Ground, Branches Tend To Be Dried By The Wind; If The Soil Has Thawed, Roots Continue To Transport Water And Nutrients To The Stem, The Wind Can Not Cause Serious Harm. Dryness Of More Than 4 Areas Need Irrigation In Order To Normal Development.