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HUGE and Pretty flowers , 5".

Etymology

The genus Echinocereus is derived from the Greek words "echinos," meaning "hedgehog," and "cereus," which refers to "wax candle," a nod to the spiny nature of the species within this genus. The specific name viereckii honors the botanist Karl Viereck, while the subspecies name santamariensis indicates its association with Santa Maria, a locality in Mexico where this cactus can be found. This nomenclature captures both its physical characteristics and geographical significance.

Origin
Echinocereus viereckii subsp. santamariensis is primarily native to the desert regions of northern Mexico, particularly in the vicinity of Oaxaca and other arid habitats. This subspecies inhabits rocky slopes and semi-desert environments, showcasing its resilience to harsh conditions, including xeric climates and infrequent rain. Its adaptation to this unique habitat plays a significant role in its growth and survival.

Description
This stunning cactus is characterized by its cylindrical, columnar shape, typically reaching heights of 15 to 30 cm (6 to 12 inches). Echinocereus viereckii subsp. santamariensis boasts a striking green body adorned with numerous prominent spines, creating a distinctive appearance reminiscent of a hedgehog. During the blooming season, it produces vibrant, funnel-shaped flowers that can range in color from bright pink to deep magenta, providing a striking contrast against its green body. These flowers bloom in spring, attracting pollinators and adding an eye-catching feature to any collection.

Conservation Status
The conservation status of Echinocereus viereckii subsp. santamariensis is of concern due to habitat loss and the collection pressure from the ornamental plant trade. While specific data on population dynamics are limited, protecting its natural habitat and promoting sustainable practices in cultivation are vital for its preservation. Supporting conservation efforts can help maintain the populations of this beautiful subspecies in the wild.

Care Instructions
To successfully cultivate Echinocereus viereckii subsp. santamariensis, consider the following care recommendations:

• Light: Thrives in bright, direct sunlight. A south-facing window or outdoor placement in full sun is ideal for optimal growth and flowering.
• Water: Water deeply but infrequently, allowing the soil to dry completely between waterings. In the growing season (spring and summer), water every 2-4 weeks; reduce frequency during fall and winter.
• Soil: Use a well-draining cactus mix, or prepare a blend of sand, perlite, and potting soil to ensure proper drainage and prevent root rot.
• Temperature: Prefers warm conditions, ideally between 70°F to 85°F (21°C to 29°C). Protect from frost and cold drafts, as it can be sensitive to extreme cold.
• Fertilization: Feed with a diluted cactus fertilizer during the growing season every 4-6 weeks to encourage healthy growth and vibrant blooms.

With attentive care, Echinocereus viereckii subsp. santamariensis can bring a touch of unique southwestern beauty to your home or garden, making it an excellent addition to any plant enthusiast's collection.

Add the charming Echinocereus viereckii subsp. santamariensis to your collection and enjoy the allure of this remarkable cactus!