Eryngium agavifolium

Sea holly is well-suited for arid regions, thanks to its high drought tolerance and preference for well-drained soil. To keep it healthy, water the plant once a week. It thrives in full sunlight and can endure dry conditions, making it an excellent choice for xeriscaping. Its efficient water storage capabilities further enhance its suitability for such environments.

Native to arid regions, Sea holly does best in full sun, as its native habitat features strong sunlight and little shade. It will also tolerate partial sun, allowing some adaptability in its growth.

Sea holly grows best in warm conditions and needs relatively high temperatures during the growing season to encourage growth and metabolism. It prefers plenty of sunlight, suitable moisture levels, and good air circulation. However, it can be damaged by very low temperatures and by overwatering. It's therefore important to maintain balance and avoid both excessively high temperatures and overly dry conditions.

Sea holly requires only light fertilizer applications once or twice a year during the growing season. Avoid fertilizing in winter and in summer when it is dormant. Cut back on fertilizer for repotted plants and wait a couple of months after repotting before applying any. Fertilizing helps maintain healthy growth and encourages blooms.

Sea holly is known for its spiky leaves and thistle-like flowers. To keep it healthy and looking its best, prune any damaged leaves and spent stems in early spring, after it has bloomed. Regular pruning helps maintain the plant's shape, prevent disease, and promote stronger growth. Always use sterilized tools to ensure the plant remains healthy and visually appealing throughout the growing season.