Argyroxiphium sandwicense
TAXONOMY
FamilyAsteraceae
GenusArgyroxiphium
Zone10
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Argyroxiphium sandwicense, commonly known as the Hawaiian silversword, is a rare and endangered plant native to the volcanic slopes of Hawaii. It belongs to the Asteraceae family and is known for its striking rosette of silvery leaves and tall flowering stalk. The plant has a unique life cycle, growing for many years before flowering once and then dying. It thrives in high-altitude, arid environments with well-draining soil.
ALSO KNOWN AS
Haleakala Silversword
Argyroxiphium sandwicense var. sandwicense
OVERVIEW
VPDCalculate
WaterVery Dry
SoilSandy
LightDirect Bright (8 Hours)
Temperature15° C
Humidity50%
Dormancy6 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
The Hawaiian silversword requires full sun and thrives in direct, bright light. It prefers moderate temperatures and low humidity. Watering should be minimal, as the plant is adapted to very dry conditions. It is best suited for outdoor growth in its native habitat or similar environments.Soil
The plant prefers sandy, well-draining soil that mimics its native volcanic slopes. It does not tolerate waterlogged conditions and thrives in nutrient-poor soil. Good drainage is essential to prevent root rot.Fertilizer
The Hawaiian silversword does not require fertilizer, as it is adapted to nutrient-poor soils. Over-fertilizing can harm the plant.Repotting
Repotting is not applicable for this plant, as it is best grown in its native habitat or similar outdoor conditions. It is not suited for container growth.Propagation
Propagation of Argyroxiphium sandwicense is challenging and typically not feasible for home gardeners. The plant has a unique life cycle and reproduces by seed after flowering once in its lifetime.Pruning
Pruning is not required for the Hawaiian silversword. The plant naturally grows in a rosette form and does not benefit from pruning.Toxicity
The Hawaiian silversword is not known to be toxic to pets or humans. However, it is a rare and endangered species, so it is important to avoid disturbing or damaging the plant.Additional
Due to its endangered status, conservation efforts are crucial for the survival of the Hawaiian silversword. It is protected in its native habitat, and any cultivation or propagation should be done with respect to conservation guidelines.REVOLUTIONIZE YOUR PLANT CARE
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