How to Grow Commander Hay Hens and Chicks
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Commander Hay Hens and Chicks
Sempervivum 'Commander Hay'
succulentCommander Hay is a stunning hybrid sempervivum cultivar featuring deep burgundy to nearly black rosettes with red-tinged gray-green undertones that intensify in cool weather. This cold-hardy succulent is prized for its dramatic coloring, compact growth habit, and remarkable resilience in alpine and rock garden settings. It produces characteristic pink to red flowers on tall inflorescences in summer before the flowering rosette dies and offsets continue the colony.
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Example Commander Hay Hens and Chicks timeline · Pittsburgh, PA (Zone 6b)
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Plant Commander Hay Hens and Chicks
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Commander Hay Hens and Chicks
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Commander Hay Hens and Chicks dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-8; exceptionally cold-hardy and tolerates harsh alpine conditions
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Offset/Propagule
2-4 weeksSmall rosettes 0.5-1 inch across with tightly packed leaves
Place on well-draining soil with minimal moisture; roots develop within 1-2 weeks. Keep in bright light.
Juvenile Rosette
3-8 monthsRosettes 1-2 inches in diameter with color development beginning; burgundy tones emerging
Water infrequently; ensure excellent drainage. Place in full sun for optimal color intensity.
Mature Rosette
8-20 monthsFully developed rosettes 2-3 inches across with full deep burgundy to near-black coloration, especially in cool seasons
Minimal watering; monitor for tight rosettes indicating thirst. Allow cool winter temperatures to deepen color.
Flowering
3-4 weeks bloom time; 2-3 months total flowering stageCentral rosette sends up a pink to red flower spike 6-12 inches tall with star-shaped blooms arranged in a cyme
The flowering rosette will slowly die after blooming; this is natural. Do not remove it immediately; allow offsets to develop around the base.
Offset Colonization
2-6 monthsAfter flowering rosette death, numerous small offsets surround the parent rosette, gradually forming dense clusters
Continue minimal watering. Offsets can be separated once rooted and replanted to expand the colony.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Ensure excellent drainage and minimize watering; avoid wet soil. Remove affected rosettes and repot in fresh gritty soil.
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Spray with horticultural oil or insecticidal soap; dab with rubbing alcohol on affected areas. Quarantine infested plants.
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Increase humidity slightly; spray with neem oil. Remove heavily infested rosettes.
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Hand-pick; use copper barriers or diatomaceous earth around plants. Reduce soil moisture to discourage.
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Spray with insecticidal soap or horticultural oil; strong water spray can dislodge infestations.
Uses
Alpine Rock Gardens & Container Display
HouseholdCommander Hay's dramatic dark coloring and compact form make it ideal for rock gardens, alpine troughs, and container plantings. Its drought tolerance and cold hardiness suit challenging garden spots where other plants struggle. [source]
Living Arrangements & Succulent Sculpture
CraftThe striking deep burgundy rosettes are prized by florists and craft enthusiasts for living wreaths, hanging succulent baskets, and mixed succulent arrangements. The slow growth rate allows long-lasting decorative displays. [source]
Green Roof & Xeriscaping
HouseholdSempervivum Commander Hay thrives in shallow-rooted extensive green roof systems and xeriscaped landscapes requiring minimal water input. Its ability to withstand temperature extremes and drought makes it valuable for sustainable landscaping. [source]
Pollinator Support
WildlifeThe pink to red flowers attract pollinators including bees and butterflies during summer blooming, providing a late-season nectar source in alpine and cool-climate gardens. [source]
Traditional Folk Medicine
MedicinalSempervivum species have been used in traditional European herbalism for skin applications and minor wound care, though modern scientific evidence is limited. The succulent leaves contain compounds with mild astringent properties. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Not typically harvested; instead, propagate by removing mature offsets in spring or summer after the parent rosette flowers. Allow separated offsets to dry 1-2 days before replanting to prevent rot. Leaf cuttings can also propagate new plants—detach healthy leaves and place on moist soil in bright light.
Fun Facts
- 🌱 The name 'Sempervivum' literally means 'living forever' in Latin, reflecting the plant's extraordinary longevity and ability to persist in harsh conditions where other plants cannot survive.
- 🌱 Commander Hay rosettes deepen to nearly black in cool autumn and winter temperatures, and brighten to burgundy-red in warm seasons—a dramatic color shift driven by anthocyanin production in response to light and temperature stress.
- 🌱 In medieval European lore, sempervivums were planted on roof tiles and thatch as 'Thunder Plants,' believed to protect homes from lightning strikes and evil spirits; this folklore persists in some cultures today.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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