50pcs. Rainbow Rose Seeds Decorating Your Home Beautiful. Put seeds into 40 C water for 24 hours. Put seeds into very wet sands for germination. ( Generally it take more than 40 days. ) Move it into soil after it sprouts. Germination temperature: 20-25 and Germination time: 40 days. Growth optimum temperature: 10-25  and Spacing: 7.87 * 7.87 Inch. (Approx.) Rose on soil not ask for much, just with some humus soil aggregate structure be good training as long as the following three links will make good growth: Rose is afraid of: * Rose is drought tolerant plants, but it is afraid floods. It is necessary use non-glazed bonsai pots of soil cultivation. The principle is "do not pour water on it when soil is not dry. Wet it completely when you pour water on soil." * Lend a high concentration of fertilizer (especially fertilizers) will result in the death of local rot. * All plants need sunlight. Rose like sunshine too.