Fertilising guide
How to fertilise Rollers Houseleek (Sempervivum globiferum)— schedule & NPK
Also called Rollers Houseleek, Globe-Bearing Houseleek, Hen and Chicks.
More about rollers houseleek
About Rollers Houseleek
Sempervivum globiferum · also called Rollers Houseleek, Globe-Bearing Houseleek · houseplant
Sempervivum globiferum (formerly placed in Jovibarba) is a distinctive houseleek producing tight, globe-shaped rosettes with incurved leaf tips. Its offsets form on long stolons and, uniquely, detach and roll away to root at a distance — a trait behind the name 'rollers'. Bell-shaped yellowish-green flowers appear in summer. Extremely hardy and near-indestructible in sun and gritty soil.
Growth habit: Rosette-forming monocarpic succulent perennial. Each rosette dies after flowering but is replaced by multiple offsets ('chicks'). Offsets form on extended stolons and uniquely detach and roll free, rooting some distance from the parent.
Watch for — Rosette etiolation in shade: Rosettes open wide, lose compact globe shape, and pale in insufficient light. Move to full sun; compact form and rich colouration return once light levels increase.
What fertiliser rollers houseleek actually wants — and why
Rollers Houseleek is an easy, light foliage feeder — a half-strength balanced liquid feed through the growing months keeps it green without forcing weak, sappy growth.
A balanced general houseplant feed (roughly even N-P-K) is exactly right — it is grown for foliage, so steady, moderate nitrogen for healthy leaves is the goal, not a bloom or root formula.
For the language behind the three numbers on the bottle — what nitrogen, phosphorus and potassium each do — see the NPK ratio explained entry. The short version for rollers houseleek: match the feed to the job the plant is doing right now, not to a generic “plant food” on the shelf.
How often to feed rollers houseleek, and which months
Feeding only earns its keep while the plant is in active growth and can use the nutrients — pour feed into a dormant or low-light plant and it simply builds up as root-burning salt. For rollers houseleek:
None required and generally detrimental. On extremely impoverished substrate a single, very dilute balanced feed in spring is the absolute maximum. High-nutrient growing conditions produce oversized, floppy rosettes prone to rot. Treat that as sparingly through the growing season between spring through early autumn (roughly March to September); ease off in autumn and stop entirely in the low light of winter.
The dormant-season rule matters more than the exact interval: skip feeding entirely when rollers houseleek is resting. For the wider context on indoor feeding rhythms across the seasons, the houseplant fertiliser schedule walks through the year month by month.
What strength to mix for rollers houseleek
Half strength is the safe default for rollers houseleek — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.
Feeding always goes onto already-damp soil, never dry roots — water rollers houseleek first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the rollers houseleek watering schedule.
Signs you are over-feeding rollers houseleek
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for rollers houseleek:
- Brown, crispy leaf tips and edges with no sign of underwatering.
- A white, crusty salt deposit on the soil surface or pot rim.
- Weak, pale, stretched new growth that flops.
- Lower leaves yellow and drop while the soil is correctly watered.
Signs you are under-feeding rollers houseleek
- Uniformly pale or yellow-green leaves, oldest first.
- Noticeably small new leaves and stalled growth in good light and season.
- A generally tired, lacklustre look despite correct watering and light.
If the symptoms point at watering, light or roots rather than nutrition, the full rollers houseleek care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Flush the pot of rollers houseleek with plain water until it runs freely from the base every couple of months in the feeding season — it washes out the fertiliser salts that cause brown tips.
Organic vs synthetic feeds for rollers houseleek
Organic options
A diluted seaweed or worm-casting feed, or fish emulsion if you can tolerate the smell indoors. UK: Westland or Baby Bio Organic, dilute seaweed; US: Espoma Indoor! or Neptune's Harvest fish & seaweed. Slow, gentle and hard to overdo.
Synthetic / liquid feeds
A general-purpose houseplant liquid at half strength — UK: Baby Bio, Westland Houseplant Feed or Phostrogen; US: Miracle-Gro Indoor Plant Food or Schultz. Convenient and fast-acting; the only risk is overdoing it.
Brand names are examples, not endorsements, and UK and US ranges differ — check the label’s own NPK and dilution rate, since formulations change.
Fertilising rollers houseleek — frequently asked questions
What fertiliser does rollers houseleek need?
A balanced general houseplant feed (roughly even N-P-K) is exactly right — it is grown for foliage, so steady, moderate nitrogen for healthy leaves is the goal, not a bloom or root formula. Rollers Houseleek is an easy, light foliage feeder — a half-strength balanced liquid feed through the growing months keeps it green without forcing weak, sappy growth.
How often should I feed rollers houseleek?
None required and generally detrimental. On extremely impoverished substrate a single, very dilute balanced feed in spring is the absolute maximum. High-nutrient growing conditions produce oversized, floppy rosettes prone to rot. None required and generally detrimental. On extremely impoverished substrate a single, very dilute balanced feed in spring is the absolute maximum. High-nutrient growing conditions produce oversized, floppy rosettes prone to rot. Treat that as sparingly through the growing season between spring through early autumn (roughly March to September); ease off in autumn and stop entirely in the low light of winter.
What strength of feed for rollers houseleek?
Half strength is the safe default for rollers houseleek — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.
What does over-feeding rollers houseleek look like?
Brown, crispy leaf tips and edges with no sign of underwatering. A white, crusty salt deposit on the soil surface or pot rim. Weak, pale, stretched new growth that flops. Lower leaves yellow and drop while the soil is correctly watered. Feeding rollers houseleek year-round on a fixed schedule, including dark winter months, is the most common mistake — it cannot use the nutrients in low light and the surplus simply burns the roots and crusts the soil.
Should I flush the soil of rollers houseleek?
Flush the pot of rollers houseleek with plain water until it runs freely from the base every couple of months in the feeding season — it washes out the fertiliser salts that cause brown tips.
Keep reading
- Rollers Houseleek care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water rollers houseleek — the watering schedule
- The houseplant fertiliser schedule — feeding through the year
- NPK ratio explained — what the three numbers on the bottle mean
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- All 6887 fertilising guides in the Growli library