When to Plant Climbing Beans in Brisbane, Subtropical Guide

Sow August to March. Right now in September you can sow.

Published · Last reviewed · By Garden Buddy
Growing advice is reviewed by hand. Planting dates, current conditions and prices on this page update daily.

This Climbing Beans guide is written for the Subtropical zone, which takes in Brisbane, the Gold Coast and the Sunshine Coast. Somewhere else? Your postcode picks the right one.

Not your zone? Cairns Sydney Melbourne Canberra Alice Springs Perth

Also handy: will it frost this week? and what grows in shade.

Climbing beans are warm-season legumes that produce heavily over a long season when given a suitable support structure. They include common pole beans (P. vulgaris) and scarlet runner beans (P. coccineus). Runner beans tolerate cooler conditions than common beans. Both fix atmospheric nitrogen via Rhizobium bacteria in root nodules, improving soil fertility.

Planting Calendar for Subtropical

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
S/T/D S/T/D T/D - - - - S/D S/T/D S/T/D S/T/D S/T/D

S = Seed Tray   T = Transplant   D = Direct Sow

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Current Growing Conditions

Soil temperature: 20.4°C (optimal range: 16–30°C) ✓ Ready to plant

That figure is read off my own weather station here at Dayboro in South East Queensland at 18:55 yesterday, not a model. The radar, the rain gauge and the forecasts behind it sit on Dayboro.au.

How to Grow Climbing Beans in Subtropical Australia

When to Plant

Two windows: August-November (spring) and February-March (autumn). Midsummer (December-January) heat often causes flower drop. Autumn crops can be very productive.

Soil
Well-drained, fertile loam enriched with compost. Avoid freshly manured soil (excess nitrogen causes leaf growth at expense of pods).
pH Range
6.0-7.0
Sunlight
Full sun (minimum 6 hours, preferably 8 hours)
Spacing
15cm apart, 80cm between rows
Watering
Regular deep watering during flowering and pod set is critical. Inconsistent watering causes flower drop and tough, stringy pods. Water at base, avoid wetting foliage.

Companion plants: Corn, Squash, Marigold, Radish, Carrot

Avoid planting near: Onions, Garlic, Fennel, Beetroot

Subtropical Growing Tips for Climbing Beans

Recommended Varieties

  • Blue Lake (pole)
  • Purple King
  • Lazy Housewife (heirloom)
  • Scarlet Runner
  • Kentucky Wonder

Key Challenges

  • Summer heat causing flower drop
  • Bean fly in spring
  • Two-spotted mite in dry weather

Pro Tips

  • Autumn planting (February-March) often outperforms spring in SEQ
  • Provide afternoon shade in December-January to extend spring crop
  • Inoculate with Group G Rhizobium inoculant for first planting in new beds

Harvesting Climbing Beans

When ready: Green beans: pods snap crisply when bent, seeds inside are small and immature, pod surface is smooth (not lumpy from enlarged seeds). Shell/dry beans: leave on vine until pods are brown and papery, seeds rattle when shaken.

How to harvest: Hold the stem with one hand and pull the pod with the other to avoid breaking branches. Use scissors for tough stems. Harvest green beans every 2-3 days. For dry beans, cut entire vine and hang upside down to finish drying.

Worth growing?

A 2.4 m × 1.2 m bed fits 9 plants, about $66 worth at today’s Coles prices, checked today.

That is roughly 5 kg at $14.67 a kilo.

Draw your climbing beans bed → No account needed.

Common Climbing Beans Pests in Subtropical Zones

Fungal and Insect Damage, risk: LOW (score: 36/100)

Organic prevention: Sow thickly and thin later (compensate for losses). Apply neem-based soil drench at sowing time. Crop rotation. Do not follow beans with beans. Mulch well.

View all pest alerts →

Where to next

Also worth sowing in the subtropical zone this September: Lemongrass, Ginger, Beetroot and Chilli Peppers.

The pest most likely to find your climbing beans: Botrytis / Grey Mould.

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Common Questions About Climbing Beans

When do you plant climbing beans in Australia?

It depends on your climate zone, not the calendar month alone. Planting months by zone:

Does climbing beans grow all year round in Brisbane?

No. In the Subtropical zone the planting months are Jan to Mar, Aug to Dec. Outside that window it either bolts, sulks or gets cut down by the weather.

Which zone am I in?

Type your postcode into the box under the heading and the page 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 Subtropical zone, Brisbane is its reference city.