A growing guide for how to grow and harvest celery in the home garden.

Soil

What soil is good for Celery?

 Rich, moisture retentive soil with plenty of compost mixed in.

Position

How much sun does Celery need?

Full sun to afternoon shade, sheltered position.

Frost Tolerant

Is Celery frost tolerant?

Tolerates light frosts.

Spacing

How much space does Celery need?

Around 45cm apart.

Planting

When should I plant Celery?

Celery is a cool season crop and is usually planted in autumn, depending on your climate.

Celery grows best in temperatures between 15-21°C (59–69.8°F), however it will tolerate temperatures between 5 and 27°C (41–80.6°F). 

Seeds can be sown indoors in late summer and seedlings transplanted in autumn. Seeds can also be sown in autumn. 

If transplanting, plant out in the early morning or evening and/or on an overcast day. Avoid planting at peak sun times or on windy days, this will allow your plants to settle in comfortably and protect them from windburn and sunburn.   

Feeding

What do I feed Celery?

 Apply an organic fertiliser throughout the season. 

Harvesting

When can I harvest Celery?

Celery bunches can be harvested whole, or if you prefer, you can harvest the outer stalks as you need them. This extends the harvest throughout the season. 

Pests

What pests does Celery get?

Aphids, Slug, Snail, Armyworm, Root Knot Nematode, Earwig, Leafhopper 

Diseases

What diseases does Celery get?

Blight, Brown Stem, Soft Rot, Celery Mosaic, Downy Mildew, Fusarium Yellows, Pink Rot, Powdery Mildew

Notes

Is there anything else I need to know about Celery?

Keep the soil moist in dry weather.

Dark green celery can be quite bitter to taste. This is generally fine for cooking, but can be unpleasant to eat raw. Excluding light from the stems or "blanching" will produce paler stalks that are much sweeter in taste. When plants are close to harvesting, wrap the celery plant with thick newspaper, leaving the leaves sticking out at the top. The stalks will be pale and ready to harvest in around 2-3 weeks.

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