the best paulownia elongata root stem for planting

the best paulowniaelongata root stemfor planting
Chinese Paulownia roots and seeds( elongata & fortunei x tomentosa)
Paulownia Species
Paulownia Fortunei x Tomentosa; Paulownia Elongata
Breed Routes
Root (Root cutting; Rootstock; Root Stumps, Root Stems), Seeds
Requirement (Plant Better Paulownia Tree)
Land
1. Ground water level: more than 1.5m.Water
1. Fecund and wet. No ponding and water saturationSunshine
1. Plant paulownia tree in sunny place and keep away from heavy wind.Temperature
Annual temperature 12-20celsius degree grow better; -20-45celsius degree is ok, vulnerable to frost damage if absolute temperature less than -25celsius degree.
Features Instruction
Features1. Hybrid by paulownia fortunei x tomentosa, parents are south and north species of Chinese.