Cucumber Marketmore

🥒 Growing Cucumber from Seed in Australia

Cucumbers are warm-season climbers (or sprawlers, if you let them!) that love sunshine and rich soil. With just a little care, you can be picking fresh cukes straight from the vine in no time.

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🌱 Sowing: In Trays vs. Direct

From Trays:
Starting in trays is ideal if your soil is still a bit cool, or you want a head start. Use biodegradable pots (like coir or peat) so you can plant the whole thing—cucumbers don’t like root disturbance.

• When: In most of Australia, start indoors in early spring (August–September) and transplant out after the last frost.
• How: Sow seeds 1–2cm deep in quality seed raising mix. Keep them warm (above 20°C) and moist but not soggy. Germination takes 5–10 days.

Direct Sowing:
Once the soil has warmed up to at least 18–20°C, you can sow directly outdoors. This usually means mid-spring to early summer, depending on your region.

• How: Sow 2–3 seeds per mound, 1–2cm deep. Thin to the strongest seedling after germination.

🌼 Tip: In cooler areas, use a cloche or row cover to warm the soil for a faster start.

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🌞 Soil & Position

Cucumbers are heavy feeders and need rich, well-draining soil with plenty of organic matter.

• Ideal pH: 6.0–6.8
• Sunlight: Full sun—at least 6 hours a day.
• Soil Prep: Mix compost, aged manure, and a little pelletised organic fertiliser into the soil. A raised mound or bed works well to improve drainage.

🌿 Cucumbers love warmth, so choose the sunniest, most sheltered spot in your garden.

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🌿 Care & Maintenance

• Watering: Keep soil consistently moist, especially once fruit sets. Avoid wetting the leaves to prevent mildew.
• Feeding: Side-dress with compost or a seaweed-based liquid fertiliser every 2–3 weeks during flowering and fruiting.
• Support: Trellis your plants if you can—it saves space, keeps fruit cleaner, and improves air flow.
• Mulch: Add straw or sugarcane mulch to retain moisture and reduce weeds.

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🌼 Companion Planting

Cucumbers are friendly little growers and do well with:

Good Neighbours	Why They Help
Nasturtium	Attracts aphids away from cucumbers
Dill & Coriander	Attracts pollinators & predators
Beans & Peas	Fix nitrogen in the soil
Corn	Offers natural trellising support

🚫 Avoid planting near potatoes and strong aromatic herbs like sage—they can inhibit cucumber growth.

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🧺 Harvesting

• When to Harvest: Pick when firm, green, and about 15–20cm long (depending on variety).
• How to Harvest: Use secateurs or scissors to cut, rather than twisting, to avoid damaging the vine.
• How Often: Check daily—cukes grow fast and can turn seedy if left too long!

🌼 The more you pick, the more your plant will produce!

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🐛 Common Issues & Fixes

Problem	Cause	Fix
Powdery mildew	Humid conditions, poor airflow	Improve spacing, use milk spray
Yellowing leaves	Overwatering, nutrient deficiency	Check soil drainage, feed with compost tea
Misshapen fruit	Poor pollination	Hand-pollinate or attract more bees
Bitter fruit	Irregular watering, heat stress	Keep water consistent, mulch well

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🌸 Seed Saving Guide

Cucumbers cross-pollinate easily, so for true-to-type seed saving:

1. Isolate one variety by at least 800m (or grow only one type).
2. Let a few fruits mature fully on the vine—they’ll turn yellow and puffy.
3. Harvest and scoop out seeds into a jar with water.
4. Ferment 2–3 days to remove the gel coating (stir daily).
5. Rinse and dry thoroughly on paper towel or mesh.
6. Store in a labelled envelope in a cool, dry place. Viable for 5+ years.

🌼 Always save seeds from the healthiest plants for strong future crops.

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🌿 Final Thoughts

Cucumbers are one of those garden delights that just keep on giving—fast-growing, rewarding, and so versatile in the kitchen. Whether you’re after crunchy salad varieties or petite pickling types, once they get going, they’re hard to stop.

🌞 A warm bed, regular water, and a little climbing support are the recipe for a summer full of cucumbers. And if it all goes a bit wild? That’s okay—it’s all part of the learning!

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Delivery Guarantee

We take great care to make sure your seeds arrive safely. If your order is lost or damaged in transit, we’ll happily send a replacement. Unfortunately, we can’t replace or refund orders that arrive later than the estimated delivery date, as delays can sometimes occur that are outside our control.

Please note that all dispatch and delivery times listed are estimates only. While we do our best to post promptly, delivery timeframes can vary due to postal service delays, weather events, or other unforeseen circumstances. We’re unable to take responsibility for any loss, damage, or cost that results from a late delivery.

An order is not considered missing until at least 20 business days have passed from the postage date. You’ll receive an email once your seeds have been posted, letting you know they’re on their way. If you don’t see it in your main inbox, please check your Spam or Promotions folders as sometimes our emails like to hide there.