Euphorbia lactea cristata or Elkhorn is a crested form with intricately undulating fan-shaped branches forming a snaky ridge or crowded cluster. The more common crested form is dark green attractively marked with silver-grey zigzag patterns.
Plant Feed. Once every month during growing season. Watering. Allow soil to dry between thorough waterings. Avoid overwatering your cactus and limit water during winter months.