When to Plant Climbing Beans in Canberra, Cold / Highland Guide

Sow November to January. Right now in September it is out of season. The next sowing month is November.

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 Cold / Highland zone, which takes in Canberra, Cooma and Bright. Somewhere else? Your postcode picks the right one.

Not your zone? Cairns Brisbane Sydney Melbourne 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 Cold / Highland

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

S = Seed Tray   T = Transplant   D = Direct Sow

Want a nudge when it is Climbing Beans sowing time in Canberra?

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Current Growing Conditions

Soil temperature: 11.2°C (optimal range: 16–30°C) ✗ Outside optimal range

Modelled from Open-Meteo forecast (Canberra), not a live sensor.

How to Grow Climbing Beans in Cold / Highland Australia

When to Plant

Very short window: November-December. Frost-free period is the hard constraint. Scarlet Runner is the most reliable choice.

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

Cold / Highland Growing Tips for Climbing Beans

Recommended Varieties

  • Scarlet Runner (best choice)
  • Blue Lake (short-season)

Key Challenges

  • Very short frost-free season
  • Cool nights reducing pod set
  • Seeds rot in cold soil

Pro Tips

  • Start in pots indoors/greenhouse in October, transplant after last frost
  • Use cloche or row cover for first 3 weeks after planting
  • Scarlet Runner is the only reliable climbing bean for highland areas

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.

Where to next

Also worth sowing in the cold and highland zone this September: Sweet Corn, Beetroot, Chilli Peppers and Snow Peas.

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 Canberra?

No. In the Cold / Highland zone the planting months are Jan, Nov 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 Cold / Highland zone, Canberra is its reference city.