Fertilising guide

How to fertilise Paris Market Carrot (Daucus carota 'Paris Market')— schedule & NPK

Also called Paris Market Carrot, Parisian Carrot, Round Carrot.

More about paris market carrot

About Paris Market Carrot

Daucus carota 'Paris Market' · also called Paris Market Carrot, Parisian Carrot · edible

Paris Market is a compact, round-rooted carrot cultivar reaching only 2–3 cm diameter, ideal for shallow soils and container growing. Sow direct in loose, stone-free beds; thin to 5 cm apart. Needs consistent moisture for smooth roots. Matures in 60–70 days. Sweet, tender flesh makes it a favourite for snacking and market gardens.

Growth habit: Annual taproot vegetable; upright ferny foliage 20–30 cm tall with a compact, globe-shaped root

What fertiliser paris market carrot actually wants — and why

Paris Market Carrot feeds in two distinct phases — balanced to build the plant, then high-potassium the moment flowering starts to set and fill a heavy crop.

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 paris market carrot: 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 paris market carrot, 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 paris market carrot:

Apply a balanced low-nitrogen fertiliser (5-10-10 or similar) at sowing time. Excess nitrogen promotes leafy growth at the expense of roots. A light side-dressing of potassium at thinning supports root sweetness. So: a balanced feed or compost at planting, then a high-potash liquid every 1-2 weeks from first flower through harvest across the main season (spring through early autumn).

The dormant-season rule matters more than the exact interval: skip feeding entirely when paris market carrot 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 paris market carrot

Follow the crop-feed label rate for paris market carrot — these are calibrated for hungry vegetables. Consistency through fruiting matters more than strength; erratic feeding causes problems like blossom-end rot.

Feeding always goes onto already-damp soil, never dry roots — water paris market carrot first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the paris market carrot watering schedule.

Signs you are over-feeding paris market carrot

Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for paris market carrot:

Vigorous dark-green leafy growth but few flowers or fruit (excess nitrogen).
Lush foliage hiding the crop; soft growth prone to pests and disease.
Salt crust on the soil and scorched leaf edges in containers.

Signs you are under-feeding paris market carrot

Pale, yellowing lower leaves and stunted growth.
Small fruit, poor set, and a quickly exhausted plant.
Blossom-end rot and weak cropping from erratic or insufficient feeding.

If the symptoms point at watering, light or roots rather than nutrition, the full paris market carrot care brief covers soil, humidity and the common problems for this species.

Flushing and leaching the salts

In containers, fertiliser salts build up fast — water paris market carrot thoroughly so excess drains from the base each time, and flush pots with plain water every few weeks to prevent a damaging salt build-up.

Organic vs synthetic feeds for paris market carrot

Organic options

Garden compost or well-rotted manure dug in before planting, plus a liquid comfrey or seaweed feed once fruiting starts. UK: comfrey feed or organic Tomorite; US: Espoma Tomato-tone or Neptune's Harvest. Builds soil and feeds in one.

Synthetic / liquid feeds

A balanced feed at planting then a high-potash tomato feed in fruiting — UK: Growmore at planting then Tomorite (Levington) or Phostrogen; US: a balanced 10-10-10 then Miracle-Gro Tomato or a bloom booster.

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 paris market carrot — frequently asked questions

What fertiliser does paris market carrot need?

Balanced (even N-P-K) at planting for roots and frame, then switch to a high-potassium ("high-potash") tomato-style feed once the first flowers open — potassium is what sizes and ripens fruit, not nitrogen. Paris Market Carrot feeds in two distinct phases — balanced to build the plant, then high-potassium the moment flowering starts to set and fill a heavy crop.

How often should I feed paris market carrot?

Apply a balanced low-nitrogen fertiliser (5-10-10 or similar) at sowing time. Excess nitrogen promotes leafy growth at the expense of roots. A light side-dressing of potassium at thinning supports root sweetness. Apply a balanced low-nitrogen fertiliser (5-10-10 or similar) at sowing time. Excess nitrogen promotes leafy growth at the expense of roots. A light side-dressing of potassium at thinning supports root sweetness. So: a balanced feed or compost at planting, then a high-potash liquid every 1-2 weeks from first flower through harvest across the main season (spring through early autumn).

What strength of feed for paris market carrot?

What does over-feeding paris market carrot look like?

Vigorous dark-green leafy growth but few flowers or fruit (excess nitrogen). Lush foliage hiding the crop; soft growth prone to pests and disease. Salt crust on the soil and scorched leaf edges in containers. Staying on a high-nitrogen feed once paris market carrot starts flowering is the classic error — you get a huge leafy plant and a disappointing crop. Switch to high-potash the moment flowers appear.

Should I flush the soil of paris market carrot?