Sempervivum calcareum 'Grigg's Surprise' is a distinctive, slow-growing succulent that forms tightly packed clusters of blue-green foliage with dramatic burgundy-red tips. Its compact, densely layered growth differs considerably from the familiar open rosettes of most Sempervivums, developing into an intricate colony of closely nestled growing heads.
'Grigg's Surprise' is a monstrose mutation of Sempervivum calcareum, producing thickened, elongated leaves that are partially fused into unusual quill-like shapes. Many have irregular, flattened or slightly curled tips, while fine hairs along the leaf margins add further texture.
The burgundy markings can extend well beyond the leaf tips, sometimes covering much of their upper surfaces. Colour intensity changes with the seasons, often becoming richer during cooler weather and periods of brighter light.
Rather than producing widely spaced offsets, this cultivar frequently develops new rosettes within and immediately around existing heads. These gradually expand into dense, interconnected clumps, with individual growing points sometimes becoming difficult to distinguish as the colony matures.
Although relatively slow-growing, established specimens can develop substantial clusters over time. The compact growth habit makes it particularly suitable for containers where its unusual structure can be appreciated at close range.
Sempervivum calcareum is native to mountainous regions of southwestern Europe, including the French and Italian Alps, where it grows in rocky environments with excellent drainage and cold winters.
Flowering is uncommon in 'Grigg's Surprise'. Like other Sempervivums, individual rosettes are monocarpic, flowering once before dying. The surrounding offsets remain alive and continue developing, allowing the colony to persist.
Grow in a gritty, free-draining succulent mix with good airflow and plenty of natural light. Full sun to partial shade is suitable, although protection from intense afternoon sunlight is beneficial during prolonged Australian summer heat.
Water when the growing medium has dried sufficiently, reducing watering during cool, wet periods. Avoid waterlogging, particularly around the tightly packed rosettes.
This alpine species is naturally frost-hardy when established in freely draining soil. In warmer Australian climates, good ventilation and protection from prolonged heat and humidity are particularly important.
Image 2 features a single rosette for colour reference only, illustrating the deeper burgundy tones this cultivar can develop under suitable growing conditions.
Sempervivum calcareum 'Grigg's Surprise' clumps for sale shown in 70mm pots. You will receive same or similar plants as those shown in Images 1–9, excluding Image 2. The number of growing heads, clump size and foliage colours will vary naturally between plants and according to the time of year and growing conditions.
All plants are shipped bare rooted unless otherwise stated. Orders are carefully packed and shipped via Express Post to NSW, VIC, QLD, SA and ACT. Orders are dispatched according to our weekly shipping schedule, available on our Shipping page, with tracking provided once your order has been lodged with Australia Post.
Succulents naturally change in colour, size and form throughout the year. Many develop richer colours and more compact growth during periods of seasonal stress, particularly through cooler months and brighter conditions, while warmer or lower-light conditions may produce greener, softer growth.
The plant you receive may therefore vary from the product images depending on the season, its stage of growth and current growing conditions. These natural variations are part of the character of living plants and do not affect their quality or health.
Pickup is available in Seville, Yarra Valley VIC by appointment. Order online as normal and any shipping charge will be automatically refunded after collection, unless you would prefer to receive an additional plant of similar value instead.
All plants are shipped bare rooted unless otherwise stated. This helps reduce shipping costs, improves plant safety during transit and allows plants to travel more reliably.
Plants are carefully packed for Express Post and may vary naturally in colour, size and form according to season, growth stage and growing conditions.
Please check the product description and images for information specific to the plant you are purchasing.
If you have any questions about your plant or order, please reach out to us. We’re always happy to help.
Overall rating: 5.0 / 5 from 5 reviews.
What beautiful plants. Christmas in a box. All my plants arrived in excellent condition and were generous in size. Succulents are the most wonderful plants to grow and collect. So much variety and the best place to source them is John and Norma's Succulents.
Sempervivum calcareum 'Grigg's Surprise'
Store owner replied: Thanks so much Jennifer! “Christmas in a box” made us smile. We're delighted you loved your plants and really appreciate your lovely words and support! 😊
All plants arrived on a very hot day, the box had taken a pretty bad beating from Aussie Post, but luckily the plants had been packed extremely well and survived the trip. Unpacked all and put into their new homes until they grow up.
as all succulents from you excellent
Lovely succulents
prompt arrival
