関連ワード:  how long do flowers take to open    how long do roses take to open    how long do roses take to open in a vase    how long do flowers take to start dying    how long do hoya flowers take to open    how long do orchid flowers take to open    how long do tomato flowers take to open    how long do protea flowers take to open    how long do lily flowers take to open    how long do peony flowers take to open