Agave macroacantha hybrid 'Big Black' black-spined agave grows quickly to form a solitary rosettes followed by multiple offsets. These robust hybrids grow about twice the size of their smaller A. macroacantha cousins. Blue-green narrow, vertical, spiky leaves. Widely spaced curved black to reddish marginal teeth. Dramatic, long terminal spines start out reddish then turn jet black. Adaptive and extremely heat tolerant. Easy to grow. Great for containers or in-ground plantings. Plants shipped bare root. Grows to 2-4 feet high x 2-4 feet wideHardiness Zone 9-11 (All zones as indoor/outdoor) Growth Guide These key details will help you understand how your plant will grow and what conditions bring out its best. Exposure: Full to part sun Watering: Low Mature Height: 1-2 feet Mature Width: 2-3 feet Ships: Bare root Why bare root? Plant Highlights A quick snapshot of what makes this plant stand out. Easy To Grow Slow Growing Good For Pots Fire Resistant Deer Resistant Where To Plant USDA Hardiness Zones show which plants thrive in your climate based on average winter lows. The lower the number, the colder the region. Use the map below to find your zone and choose plants that will grow successfully year after year. Hardiness Zone: 9-12 (USDA) Why Happy Valley Plants? We're passionate about connecting people with the beauty of nature. From hand-selected plants to expert support and thoughtful packaging, we put care into every detail. Assuring your plants arrive healthy, happy, and ready to thrive. Packaged With Care Your satisfaction matters to us. Each plant is hand-picked, wrapped, and packaged with precision to ensure it arrives safely and ready to grow. If something’s not right, reach out within 72 hours and we’ll do our best to make it right. Quality At A Fair Price We believe great plants shouldn’t come with a premium price tag. Our goal is to make quality, hard-to-find plants accessible and affordable, so you can grow more for less. Horticultural Help Need advice or have plant questions? Our expert team is always happy to help. We’re gardeners first and love sharing our knowledge. Explore our blog for growing tips and plant care guides.