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Description
bishop's cap succulent care Rare Bishop's Cap Cactus Astrophytum Myriostigma - Succulent Gift IdeasDescription Light Soil Water Hardiness Astrophytum Myriostigma is a rare star cactus that has no spikes but white hairy scales that give it a characteristic chalk white or silvery grey appearance. It often has 5 ribs, but can grow up to 8 ribs with age. Astrophytum Myriostigma can grow up to 8 inches (20 cm) in diameter. This cactus variety is loved by people for its easygoing nature. It makes a superb addition to your indoor as well as outdoor
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Astrophytum Myriostigma is a rare star cactus that has no spikes but white hairy scales that give it a characteristic chalk-white or silvery-grey appearance. It often has 5 ribs, but can grow up to 8 ribs with age. Astrophytum Myriostigma can grow up to 8 inches (20 cm) in diameter. This cactus variety is loved by people for its easygoing nature. It makes a superb addition to your indoor as well as outdoor spaces. However, to flaunt it at your place, place it on windowsills, bookshelves, or desks.
Its flowers are funnel-shaped, glossy yellow, sweet-scented, and can grow up to 3 inches (7.5 cm) long. Mature plants can produce deep red fruits that are up to 1 inch (2.5 cm) in diameter.
All of the plants may be shipped bare roots. -
Yellow.
Plenty of direct sunlight.
Porous, well-drained.
Water moderately in the summer but keep the cactus completely dry in the winter when temperatures are from 40 to 60 degrees Fahrenheit (5 to 15 degrees Celsius).
Feed the cactus with a low nitrogen content fertilizer in the spring and summer can help it grow much faster. -
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
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Exchange/Return Notes
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4.3 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Good product
Color: Blue, Number of Items: 1
I like the product and it works as advertised
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
★★★★★ 5
Keeps your engines running right.
Color: Blue, Number of Items: 1
Works great. I've had less trouble , mosty excellent performance with my small power tools and yard equipment since I've been using this and other Stay bil products.
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Reviewed in the United States on March 14, 2026
★★★★★ 5
Easy Rider
Color: Blue, Number of Items: 1
Great product. Great price. Costs double at most retail stores. I use it for fuel in Bass Boat, Harley + all lawn cutting fuel for motors.
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Reviewed in the United States on February 24, 2026
★★★★★ 4
Helped to improve combustion in 12 year old Mercruiser 3.0L engine
Color: Blue, Number of Items: 1
I used the whole bottle in 1/2 tank of questionable gasoline from used boat from dealership, with no idea what mixture of gas water and particulates was in the gas tank in this 12 year old boat.
The dealer started up the boat, and it was taking a minute to get the idle going. He mentioned that the gas was a few months old, but I am guessing that is was more like 6 months old. This is the TKS engine, self priming. I think some water / condensate was in the tank. Before taking out to first trip, I added bottle and 5 gallons fresh gas. That trip to the lake, I still has some issues getting it to start easily. Ran OK, not great that day, went home, changed cap and rotor and wires. Next trip, 1 week later, the 3.0L started great, ran great, I am not sure if it took some hours to fully mix and interact with the old gas, neutralize the water, and perform it's reactions, before it made existing gas more combustible, but that is what it seemed like to me.
***UPDATE**** - I had strange fuel issues the next season after using this product. I had to replace the fuel pump and many other fuel delivery components including the carburetor. Not sure if this contributed to the fuel system failing, the long term effects outweigh the short term gains.
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Reviewed in the United States on September 25, 2024
★★★★★ 5
good buy
Color: Blue, Number of Items: 1
good buy
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Reviewed in the United States on May 31, 2026