When to Plant Celery in Sydney, Warm Temperate Guide
What this month normally looks like in Warm Temperate
In October the Warm Temperate zone normally runs 24°C by day and 13°C overnight, with about 66 mm of rain over 7 or 8 wet days. The coldest October night on record across the zone was -1.5°C, so a late frost is not out of the question. Averages 1991 to 2026, 153 postcodes, SILO.
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This Celery guide is written for the Warm Temperate zone, which takes in Sydney, Newcastle and Wollongong. Somewhere else? Your postcode picks the right one.
Not your zone? Cairns Brisbane Melbourne Canberra Alice Springs Perth
Also handy: will it frost this week? and what grows in shade.
- Planting window
- Aug to Jan
- Days to harvest
- about 17 weeks
- Sun
- Full sun to part shade
- Spacing
- 30 cm apart
Celery is a slow, thirsty, cool season crop grown for its crisp stalks. It wants rich soil, steady moisture and shelter from wind.
Published · By GardenBuddy.au
Planting dates, current conditions and prices on this page update daily.
Photo: Wikimedia Commons
Planting Calendar for Warm Temperate
- Jan T
- Feb -
- Mar -
- Apr -
- May -
- Jun -
- Jul -
- Aug S
- Sep S/T
- Oct S/T
- Nov S/T
- Dec S/T
S = Seed Tray T = Transplant D = Direct Sow
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How to Grow Celery in Warm Temperate Australia
- Soil
- Rich, fertile soil that holds moisture but drains well, with plenty of organic matter (Yates, Better Homes and Gardens). The roots are shallow.
- Salt
- Moderately sensitive. Copes with a little salt, but the harvest drops on salty bore water.
- Sunlight
- Full sun to part shade, with shelter from wind (Yates, Better Homes and Gardens).
- Spacing
- 30cm apart, 40cm between rows
- Watering
- Water often and evenly. Dry spells give stringy stalks (Yates), and uneven growth can give hollow stems (Seeds of Plenty).
- Good companions
- Dwarf Beans, Cucumber, Tomato, Carrot, Cabbage
- Keep away from
- Lettuce (some allelopathic evidence), Parsnip (Listed under keep apart from celery. No reason is given.), Sweet Corn (Listed under keep apart from celery. No reason is given.)
- Grow before it
- Fruiting crops (Tomato, Capsicum, Zucchini)
- Grow after it
- Legumes (Beans - Dwarf, Peas, Broad Beans)
Give the bed 3 turns before root crops go back in. Roots fork and go leafy in fresh manure, so they take the bed after the heavy feeders have used it.
Warm Temperate Growing Tips for Celery
Recommended Varieties
- Golden Boy
- Tall Utah
Key Challenges
- Midsummer heat
- Keeping the soil moist
- Leaf spots
Pro Tips
- Shade cloth helps in midsummer
- Mulch deeply
- Feed weekly
Pests and problems for Celery in Warm Temperate
- Common Garden Snail Watch
- Slugs Watch
- Aphids Watch
- Septoria Leaf Spot Water at the base in the morning, space the plants for airflow, rotate the bed and do not save seed from infected plants. Watch
- Crown and root rot Grow in free draining soil, do not bury the crown when planting and do not overwater. Watch
Harvesting Celery
When ready: Stalks are crisp and thick, at the full height of the variety. Plants are ready about 4 months from sowing (Gardenate). If blanched, lift about 11 weeks after trenching (Gardenate).
How to harvest: Cut whole plants at the base, or pick the outer stalks as needed (Yates).
What celery costs in the shops right now, retailer by retailer, updated daily.
What members get
- Soil and weather from your nearest station
- An email when it's time to sow
- Your own garden plan, including planning from a photo
- Price history and price alerts
- Pest risk alerts for your area
- Full salt and canning detail
Common Questions About Celery
When do you plant celery in Australia?
It depends on your climate zone, not the calendar month alone. Planting months by zone:
- Tropical (Cairns): Apr to Jul
- Subtropical (Brisbane): Mar to Jun, Aug to Nov
- Warm Temperate (Sydney): Jan, Aug to Dec
- Cool Temperate (Melbourne): Jan, Sep to Dec
- Cold / Highland (Canberra): Jan, Oct to Dec
- Arid / Semi-Arid (Alice Springs): May to Aug
- Mediterranean (Perth): Jan, Aug to Dec
Can you grow celery all year round in Sydney?
No. In the Warm Temperate zone the planting months are Jan, Aug to Dec. Outside that window it either bolts, sulks or gets cut down by the weather.
When should I plant Celery in Sydney?
Start seed in trays from August and plant out from September to January. Celery grows slowly, so keep it moist and fed all through the warm months. Shade cloth helps in midsummer.
How do I know when Celery are ready to harvest?
Stalks are crisp and thick, at the full height of the variety. Plants are ready about 4 months from sowing (Gardenate). If blanched, lift about 11 weeks after trenching (Gardenate).
What are the best Celery varieties for Sydney?
Recommended varieties for the Warm Temperate zone include: Golden Boy, Tall Utah.
What grows well with Celery?
Good companion plants for Celery include: Dwarf Beans, Cucumber, Tomato, Carrot, Cabbage.
Are celery salt tolerant?
Only a little. Celery are moderately sensitive to salt, so the harvest drops on salty bore water. Mix salty water with rainwater, and mulch the bed.
Which zone am I in?
Type your postcode into the box near the top of the page and it tells you, and links this crop in your own zone if it differs. Or look it up on the grow zone map. This page is the Warm Temperate zone, Sydney is its reference city.