Blue Glow Agave
Thought to be a cross between two beautiful agave species, Agave ocahui and Agave attenuata, Blue Glow Agave has stunning qualities from both parents! Agave ocahui contributes cold hardiness, stiff leaves and beautiful terminal spines and Agave attenuata gives it the frosty blue leaves that truly glow. The bright red margins that highlight the edges of the leaves really make this one stand out. Though not the most reliable agave here in the Pacific Northwest, it has survived the last few winters for us in a very gravelly sloped location. Forms a solitary, non-offsetting rosette. Excellent in containers if you’re not willing to risk it in the ground.
Plant in extremely well draining soil in the brightest conditions if planting in ground. Otherwise it makes a fantastic container specimen and can be brought indoors when very cold weather is in the forecast.
Latin Name: Agave ocahui x attenuata
Site and Soil: Full sun and very well-drained soil. Very drought tolerant once established and will need little to no supplemental watering during the summer season, though a bit of summer water speeds growth.
Hardiness: Hardy to approx. 15º F, possibly lower with great drainage.
Size at Maturity: 2 ft. in height by 3 ft. wide
Bloom Time: early spring through summer every decade or so
Pests & Diseases: Not bothered by pests or diseases.
USDA Zone: 8b