Fertilising guide

How to fertilise Geranium pratense 'Mrs Kendall Clark' (Geranium pratense 'Mrs Kendall Clark')— schedule & NPK

Also called Mrs Kendall Clark meadow cranesbill.

More about geranium pratense 'mrs kendall clark'

About Geranium pratense 'Mrs Kendall Clark'

Geranium pratense 'Mrs Kendall Clark' · also called Mrs Kendall Clark meadow cranesbill · flowering

'Mrs Kendall Clark' is a refined meadow cranesbill prized for soft greyish-blue petals veined with paler grey-white, opening over deeply cut foliage in early summer. Fully hardy and clump-forming, it suits cottage borders and naturalistic plantings, attracts pollinators, and reblooms after a midsummer cut-back. An RHS Award of Garden Merit selection.

Growth habit: Clump-forming herbaceous perennial with a basal mound of foliage and upright branching flower stems; fully deciduous in winter.

What fertiliser geranium pratense 'mrs kendall clark' actually wants — and why

Geranium pratense 'Mrs Kendall Clark' is a heavy-blooming flower with a big appetite — a regular high-potash feed through the season is what drives a long, dense display.

A high-potassium ("high-potash") flowering feed — tomato-style or a dedicated bloom/rose feed. Potassium powers flowering; a high-nitrogen feed gives you a leafy plant with disappointing bloom.

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 geranium pratense 'mrs kendall clark': 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 geranium pratense 'mrs kendall clark', 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 geranium pratense 'mrs kendall clark':

Low feeder. A spring mulch of compost or one balanced feed at growth start suffices; skip high-nitrogen feeds, which promote weak, floppy stems over flowers. For a hungry bloomer that means feeding regularly — sparingly through the growing season — right through flowering across the main season (spring through early autumn), tapering as blooming ends.

The dormant-season rule matters more than the exact interval: skip feeding entirely when geranium pratense 'mrs kendall clark' 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 geranium pratense 'mrs kendall clark'

Follow the flowering-feed label rate for geranium pratense 'mrs kendall clark', or half strength if feeding very frequently. These plants genuinely use the nutrients — under-feeding shows up fast as a thin display.

Feeding always goes onto already-damp soil, never dry roots — water geranium pratense 'mrs kendall clark' first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the geranium pratense 'mrs kendall clark' watering schedule.

Signs you are over-feeding geranium pratense 'mrs kendall clark'

Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for geranium pratense 'mrs kendall clark':

Lots of lush leaves but few flowers (too much nitrogen).
Scorched leaf edges and salt crust from too-strong or too-frequent feeds.
Soft, sappy growth prone to aphids and mildew.

Signs you are under-feeding geranium pratense 'mrs kendall clark'

Sparse, small, short-lived flowers and pale foliage.
A tired plant that stops blooming early in the season.
Weak growth and poor repeat-flowering after the first flush.

If the symptoms point at watering, light or roots rather than nutrition, the full geranium pratense 'mrs kendall clark' care brief covers soil, humidity and the common problems for this species.

Flushing and leaching the salts

Container-grown geranium pratense 'mrs kendall clark' accumulates feed salts fast with frequent feeding — water until it drains each time and flush pots with plain water every few weeks to prevent scorch.

Organic vs synthetic feeds for geranium pratense 'mrs kendall clark'

Organic options

A liquid comfrey or seaweed feed (naturally potassium-rich) plus compost or well-rotted manure as a mulch. UK: comfrey feed, organic Tomorite, or rose feed; US: Espoma Rose-tone or Neptune's Harvest. Feeds and improves soil.

Synthetic / liquid feeds

A high-potash flowering feed on a regular cadence — UK: Tomorite (Levington), Phostrogen or a specialist rose feed; US: Miracle-Gro Bloom Booster or a rose food. Fast, reliable bloom response.

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 geranium pratense 'mrs kendall clark' — frequently asked questions

What fertiliser does geranium pratense 'mrs kendall clark' need?

A high-potassium ("high-potash") flowering feed — tomato-style or a dedicated bloom/rose feed. Potassium powers flowering; a high-nitrogen feed gives you a leafy plant with disappointing bloom. Geranium pratense 'Mrs Kendall Clark' is a heavy-blooming flower with a big appetite — a regular high-potash feed through the season is what drives a long, dense display.

How often should I feed geranium pratense 'mrs kendall clark'?

Low feeder. A spring mulch of compost or one balanced feed at growth start suffices; skip high-nitrogen feeds, which promote weak, floppy stems over flowers. Low feeder. A spring mulch of compost or one balanced feed at growth start suffices; skip high-nitrogen feeds, which promote weak, floppy stems over flowers. For a hungry bloomer that means feeding regularly — sparingly through the growing season — right through flowering across the main season (spring through early autumn), tapering as blooming ends.

What strength of feed for geranium pratense 'mrs kendall clark'?

What does over-feeding geranium pratense 'mrs kendall clark' look like?

Lots of lush leaves but few flowers (too much nitrogen). Scorched leaf edges and salt crust from too-strong or too-frequent feeds. Soft, sappy growth prone to aphids and mildew. Using a high-nitrogen general feed on geranium pratense 'mrs kendall clark' is the headline mistake — you grow a big leafy plant with few flowers. The second is simply under-feeding a genuinely hungry bloomer and getting a sparse, short display.

Should I flush the soil of geranium pratense 'mrs kendall clark'?