Sempervivum ciliosum borisii
- Description
- Sempervivum ciliosum borisii Care Guide
- FAQ/Common Issues
-
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Sempervivum ciliosum borisii is a rare frost hardy succulent in the Crassulaceae family, native to rocky mountain habitats in the Balkans. This tough little hen and chicks succulent has adapted to survive harsh alpine conditions, making it equally at home in a garden rockery or a sunny windowsill container.
Sempervivum ciliosum borisii forms tight, silvery succulent rosettes densely covered in fine white hairs or cilia, giving each rosette a frosted, cobweb-like appearance that really sets it apart. It grows in a clustering, clumping habit, steadily spreading to form a wide mat of offsets around the mother plant. The overall effect is textural and eye-catching, somewhere between a webbed sempervivum and a soft, silvery star.
Sempervivum ciliosum borisii is a monocarpic bloomer, meaning the mother rosette flowers once then makes way for its many offsets to carry on. Like most hens and chicks, it typically sends up a stalk bearing small star-shaped flowers in summer, after which the surrounding chicks fill in beautifully. A night temperature drop encourages the bloom cycle, so outdoor or unheated greenhouse growing works especially well for this species.
As a low maintenance succulent and a genuinely rare find, Sempervivum ciliosum borisii is a collector favorite and a practical choice for rock gardens, alpine troughs, wall crevices, and sunny balcony containers. It handles balcony wind and rain with ease, tolerates dry heated indoor air, and can move outside for summer without any fuss. This plant is pet friendly, making it a worry-free choice for households with cats or dogs, and it will happily survive a 10-day trip without a watering visit.
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Sempervivum ciliosum borisii thrives in partial sun to full sun, needing at least four to six hours of direct light daily.
Water Sempervivum ciliosum borisii deeply but infrequently, allowing soil to dry completely between waterings, roughly every 10 to 14 days indoors.
Sempervivum ciliosum borisii needs fast-draining soil, ideally a gritty mix of succulent or cactus compost blended with perlite or coarse sand.
Sempervivum ciliosum borisii tolerates a wide range, from summer highs above 80°F (27°C) down to frost hardy lows around -10°F (-23°C).
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Sempervivum ciliosum borisii is a slow to moderate grower that rarely needs fertilizer, though a diluted balanced feed once in spring gives it a gentle boost.
Sempervivum ciliosum borisii is hardy in USDA Zones 4 through 9, tolerating winter lows of around -30°F (-34°C) at the colder end of its range. This covers a sweeping stretch of the United States, including Minnesota, Wisconsin, Michigan, North Dakota, South Dakota, Nebraska, Iowa, Illinois, Indiana, Ohio, Pennsylvania, New York, Vermont, New Hampshire, Maine, Massachusetts, Connecticut, Rhode Island, New Jersey, Maryland, Delaware, Virginia, West Virginia, Kentucky, Tennessee, Missouri, Kansas, Colorado, Utah, Wyoming, Montana, Idaho, Oregon, Washington, North Carolina, and Arkansas. Gardeners growing Sempervivum ciliosum borisii in Georgia, South Carolina, Alabama, Mississippi, Texas, Oklahoma, New Mexico, Arizona, Nevada, and California will find it thrives in the cooler inland and higher-elevation areas of those states as well.
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Q: How often should I water Sempervivum ciliosum borisii?
A: Water deeply every 10 to 14 days indoors, or less in winter, always letting the soil dry out completely between waterings. Overwatering is the main risk with this drought tolerant succulent.
Q: Is Sempervivum ciliosum borisii pet friendly?
A: Yes, Sempervivum ciliosum borisii is pet friendly and considered non-toxic to cats and dogs. It is a safe choice for homes with curious pets.
Q: How frost hardy is Sempervivum ciliosum borisii?
A: Sempervivum ciliosum borisii is an impressive frost hardy succulent, surviving temperatures down to around -30°F (-34°C) in USDA Zones 4 to 9. It can stay outdoors year-round in most temperate climates and handles autumn cold without any protection.
Q: How big does Sempervivum ciliosum borisii get?
A: Individual rosettes of Sempervivum ciliosum borisii typically reach 2 to 3 inches (5 to 8 cm) across, though the clumping habit means a single plant can spread to fill a wide patch over time. It is a wide-spreading rather than upright grower.
Q: How do I propagate Sempervivum ciliosum borisii?
A: Sempervivum ciliosum borisii propagates easily by separating the offsets, or chicks, that cluster around the mother rosette and potting them up in gritty, well-draining soil. No specialist tools or hormones are needed, making it one of the easiest succulents to multiply.
Q: Does Sempervivum ciliosum borisii need cover from rain?
A: In containers or rockeries where drainage is excellent, Sempervivum ciliosum borisii handles normal outdoor rainfall well and is suited to balcony conditions. However, providing rain cover in prolonged wet winters helps prevent root rot, especially in pots without drainage holes.
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Description
- Description
- Sempervivum ciliosum borisii Care Guide
- FAQ/Common Issues
-
![]()
Sempervivum ciliosum borisii is a rare frost hardy succulent in the Crassulaceae family, native to rocky mountain habitats in the Balkans. This tough little hen and chicks succulent has adapted to survive harsh alpine conditions, making it equally at home in a garden rockery or a sunny windowsill container.
Sempervivum ciliosum borisii forms tight, silvery succulent rosettes densely covered in fine white hairs or cilia, giving each rosette a frosted, cobweb-like appearance that really sets it apart. It grows in a clustering, clumping habit, steadily spreading to form a wide mat of offsets around the mother plant. The overall effect is textural and eye-catching, somewhere between a webbed sempervivum and a soft, silvery star.
Sempervivum ciliosum borisii is a monocarpic bloomer, meaning the mother rosette flowers once then makes way for its many offsets to carry on. Like most hens and chicks, it typically sends up a stalk bearing small star-shaped flowers in summer, after which the surrounding chicks fill in beautifully. A night temperature drop encourages the bloom cycle, so outdoor or unheated greenhouse growing works especially well for this species.
As a low maintenance succulent and a genuinely rare find, Sempervivum ciliosum borisii is a collector favorite and a practical choice for rock gardens, alpine troughs, wall crevices, and sunny balcony containers. It handles balcony wind and rain with ease, tolerates dry heated indoor air, and can move outside for summer without any fuss. This plant is pet friendly, making it a worry-free choice for households with cats or dogs, and it will happily survive a 10-day trip without a watering visit.
-
Sempervivum ciliosum borisii thrives in partial sun to full sun, needing at least four to six hours of direct light daily.
Water Sempervivum ciliosum borisii deeply but infrequently, allowing soil to dry completely between waterings, roughly every 10 to 14 days indoors.
Sempervivum ciliosum borisii needs fast-draining soil, ideally a gritty mix of succulent or cactus compost blended with perlite or coarse sand.
Sempervivum ciliosum borisii tolerates a wide range, from summer highs above 80°F (27°C) down to frost hardy lows around -10°F (-23°C).
![]()
Sempervivum ciliosum borisii is a slow to moderate grower that rarely needs fertilizer, though a diluted balanced feed once in spring gives it a gentle boost.
Sempervivum ciliosum borisii is hardy in USDA Zones 4 through 9, tolerating winter lows of around -30°F (-34°C) at the colder end of its range. This covers a sweeping stretch of the United States, including Minnesota, Wisconsin, Michigan, North Dakota, South Dakota, Nebraska, Iowa, Illinois, Indiana, Ohio, Pennsylvania, New York, Vermont, New Hampshire, Maine, Massachusetts, Connecticut, Rhode Island, New Jersey, Maryland, Delaware, Virginia, West Virginia, Kentucky, Tennessee, Missouri, Kansas, Colorado, Utah, Wyoming, Montana, Idaho, Oregon, Washington, North Carolina, and Arkansas. Gardeners growing Sempervivum ciliosum borisii in Georgia, South Carolina, Alabama, Mississippi, Texas, Oklahoma, New Mexico, Arizona, Nevada, and California will find it thrives in the cooler inland and higher-elevation areas of those states as well.
-
Q: How often should I water Sempervivum ciliosum borisii?
A: Water deeply every 10 to 14 days indoors, or less in winter, always letting the soil dry out completely between waterings. Overwatering is the main risk with this drought tolerant succulent.
Q: Is Sempervivum ciliosum borisii pet friendly?
A: Yes, Sempervivum ciliosum borisii is pet friendly and considered non-toxic to cats and dogs. It is a safe choice for homes with curious pets.
Q: How frost hardy is Sempervivum ciliosum borisii?
A: Sempervivum ciliosum borisii is an impressive frost hardy succulent, surviving temperatures down to around -30°F (-34°C) in USDA Zones 4 to 9. It can stay outdoors year-round in most temperate climates and handles autumn cold without any protection.
Q: How big does Sempervivum ciliosum borisii get?
A: Individual rosettes of Sempervivum ciliosum borisii typically reach 2 to 3 inches (5 to 8 cm) across, though the clumping habit means a single plant can spread to fill a wide patch over time. It is a wide-spreading rather than upright grower.
Q: How do I propagate Sempervivum ciliosum borisii?
A: Sempervivum ciliosum borisii propagates easily by separating the offsets, or chicks, that cluster around the mother rosette and potting them up in gritty, well-draining soil. No specialist tools or hormones are needed, making it one of the easiest succulents to multiply.
Q: Does Sempervivum ciliosum borisii need cover from rain?
A: In containers or rockeries where drainage is excellent, Sempervivum ciliosum borisii handles normal outdoor rainfall well and is suited to balcony conditions. However, providing rain cover in prolonged wet winters helps prevent root rot, especially in pots without drainage holes.
