Vascular Cambium initially appears as actively dividing cells between_________________? August 9, 2021May 23, 2018 by admin Vascular Cambium initially appears as actively dividing cells between_________________? A. Primary Xylem and secondary xylem. B. Primary xylem and secondary phloem. C. Primary xylem and primary phloem D. Secondary xylem and secondary phloem.