When you bring rose plant and cannot plant it immediately, leave the plant in the box and lightly sprinkle the roots every day. Do not let the roots to dry out. Plant the rose plant as soon as possible. If cannot plant it immediately to the desired location, plant it in a container.Dig a planting hole according to the roots, the rose plant has.If it is 2 yrs, then dig a planting hole at least 6 inches deeper, so the roots of the plant can be accommodated without crowding or bending. Mix some fertilizer (cow manure or organic compost) with the soil in the planting hole, plant the rose plant carefully, spread its root and fill with soil. Firm the soil tightly around the plant. If the rose plant is not so old and has fewer roots then dig a lesser deeper planting hole.