Fertilising guide
How to fertilise Becky Shasta daisy (Leucanthemum x superbum 'Becky')— schedule & NPK
Also called Becky Shasta daisy, Shasta daisy 'Becky'.
More about becky shasta daisy
About Becky Shasta daisy
Leucanthemum x superbum 'Becky' · also called Becky Shasta daisy, Shasta daisy 'Becky' · flowering
A tall, exceptionally sturdy Shasta daisy cultivar reaching 90–120 cm with self-supporting stems and large 10 cm white flowers centred in gold, blooming July to September and beyond when deadheaded. A Perennial Plant of the Year selection. Mildly toxic to pets. Excellent back-of-border plant; divide every three to four years.
Growth habit: Upright, clump-forming herbaceous perennial with tall, stiff, self-supporting stems and dark glossy toothed foliage. Habit is bold and upright — significantly taller and more robust than many Shasta daisy cultivars.
What fertiliser becky shasta daisy actually wants — and why
Becky Shasta daisy 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 becky shasta daisy: 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 becky shasta daisy, 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 becky shasta daisy:
Apply a balanced slow-release granular fertiliser (10-10-10) in early spring. A light balanced liquid feed after the first main flush of flowers in midsummer can prolong reblooming into early autumn. Avoid excessive nitrogen. 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 becky shasta daisy 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 becky shasta daisy
Half strength is the safe default for becky shasta daisy — 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 becky shasta daisy first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the becky shasta daisy watering schedule.
Signs you are over-feeding becky shasta daisy
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for becky shasta daisy:
- 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 becky shasta daisy
- 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 becky shasta daisy care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Flush the pot of becky shasta daisy 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 becky shasta daisy
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 becky shasta daisy — frequently asked questions
What fertiliser does becky shasta daisy 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. Becky Shasta daisy 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 becky shasta daisy?
Apply a balanced slow-release granular fertiliser (10-10-10) in early spring. A light balanced liquid feed after the first main flush of flowers in midsummer can prolong reblooming into early autumn. Avoid excessive nitrogen. Apply a balanced slow-release granular fertiliser (10-10-10) in early spring. A light balanced liquid feed after the first main flush of flowers in midsummer can prolong reblooming into early autumn. Avoid excessive nitrogen. 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 becky shasta daisy?
Half strength is the safe default for becky shasta daisy — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.
What does over-feeding becky shasta daisy 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 becky shasta daisy 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 becky shasta daisy?
Flush the pot of becky shasta daisy 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
- Becky Shasta daisy care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water becky shasta daisy — the watering schedule
- The houseplant fertiliser schedule — feeding through the year
- NPK ratio explained — what the three numbers on the bottle mean
- How to fertilise leucanthemum × superbum 'alaska'
- How to fertilise leucanthemum × superbum 'snowcap'
- How to fertilise leucanthemum × superbum 'silver princess'
- All 6887 fertilising guides in the Growli library