Blue Myrtle Cactus Open Pollinated Seeds (Myrtillocactus geometrizans) Fast-growing columnar cactus; ideal for bonsai, grafting stock, or arid landscape accent plants

Minimum: 10+ Seeds

Striking Structure, Fast Growth, and Endless Possibilities

If you’re looking for a cactus that grows fast, looks sculptural, and lends itself to creative cultivation, Blue Myrtle Cactus (Myrtillocactus geometrizans) is a must-have. With its cool blue-green skin, elegant ribbed columns, and branching growth habit, this open-pollinated variety is prized by collectors, cactus growers, and bonsai artists alike. Whether you're building out a desert-themed garden, crafting a container centerpiece, or starting your own grafting stock, this plant offers beauty and utility in equal measure.

Cool-Toned Color, Bold Architectural Form

Blue Myrtle grows faster than many other cacti, making it one of the best options if you're eager to watch your desert garden take shape. In the ground, it can reach heights of 10 to 15 feet in warm climates, forming candelabra-like arms that twist gently upward. In containers, it stays compact and refined, with thick, upright stems that can be shaped or trained into bonsai form over time.

The skin has a unique blue-silver hue that deepens with age and contrast beautifully against gravel, stone, or sandy soil. Young plants are often used as grafting rootstock because of their vigor and resilience. Mature plants occasionally produce small, edible, dark purple fruits that resemble berries in both appearance and sweetness.

Multi-Use Marvel for Collectors and Gardeners

• Grafting Stock: Popular base for grafting rare or sensitive cactus species

• Bonsai and Containers: Ideal form and flexibility for bonsai shaping or statement patio pots

• Landscape Accent: A stunning feature in xeriscapes, rock gardens, or dry borders

• Pollinator Friendly: Occasionally blooms with small white-green flowers that attract bees

• Edible Fruit: Produces sweet, dark berries (myrtles) on mature plants in ideal conditions

From Mexico’s Wild Hills to Modern Gardens

Native to Mexico’s arid and semi-arid landscapes, Myrtillocactus geometrizans has long been appreciated for its fast growth and ornamental form. Its ease of propagation and ability to adapt to different climates have made it a favorite among cactus growers around the world. Today, it's a staple in arid garden design, indoor succulent collections, and grafting workshops from California to Kyoto.

Growing Tips from Seed to Sculptural Masterpiece

Start indoors with warmth and patience. Cactus seeds are small and germinate slowly, but once they sprout, Blue Myrtle takes off faster than most.

• Sowing: Use a cactus or succulent mix with added sand or perlite

• Planting Depth: Surface-sow seeds and lightly press into moist soil

• Light: Provide bright indirect light during germination, then transition to full sun

• Water: Keep slightly moist until sprouted (2 to 6 weeks), then water sparingly

• Temperature: Ideal range is 75–85°F for germination

• Spacing: Thin or transplant to allow at least 12–18 inches between plants outdoors

Once established, Blue Myrtle is incredibly low maintenance. In zones 9 and up, it can be grown outdoors year-round. In colder climates, it thrives in containers with winter protection or indoor light. Its fast columnar growth also makes it a rewarding option for grafting enthusiasts and beginner cactophiles alike.

Why Grow Blue Myrtle Cactus?

Because it's bold, adaptable, and full of creative potential. From architectural landscape designs to rare cactus grafting projects, Blue Myrtle gives you a plant that grows fast, stays beautiful, and rewards your attention. Few cacti offer so many uses with such ease.

Seed supply is limited. Add this fast-growing cactus to your collection now and start shaping something spectacular, whether it’s a bonsai, a grafting experiment, or the centerpiece of your desert garden.