By Fiona Gallagher · permaculture designer · food, animals and preservation on 12 acres in Tassie

“After losing 80% of my saved tomato seeds to Tassie's damp cellar, I learned that viability testing isn't optional; it's the only thing stopping a bare patch of earth.”

Every seed packet is a gamble. I've learned the hard way that out here, a failed germination isn't a minor setback—it's a bare patch where dinner should be. Test every batch before it touches soil. No fluff.

The 10-Seed Germination Test I Run Each Spring

Forget the water test. It's a myth. Use the paper towel method:

• Take 10 seeds from your packet
• Dampen a paper towel, fold it, place seeds on it
• Seal in a plastic bag
• Keep in a warm spot (top of fridge works)
• Check after 7 days

If less than 70% sprout, don't plant them. They're dead. Waste of time and space.

Heat Kills Seeds: Cool, Dark, Dry – My Tassie Storage Rules

Heat and humidity kill seeds. In Australia, this means:

• Never store seeds in sheds or garages (too hot)
• Use airtight glass jars or vacuum-sealed bags
• Store in the fridge (not freezer – too cold)
• Aim for 0-5°C and 50% humidity (fridge is best)

That $5 packet of beans in your shed? It's dead by next spring. Store properly or lose your crop.

What I Paid for Seeds: Real Aussie Supplier Costs

I source fresh seed from small growers and local seed networks. I won't buy from Bunnings or the big‑box stores – their seed sits for 2+ years in hot warehouses before it ever hits the shelf.

I once spent $20 on a 3‑year‑old packet, watched it give only a handful of seedlings, then switched to a fresh $8 pack from Seed Savers that germinated without drama. That's the reality.

Test Every Lot, Every Year

Nothing germinates and you're eating rice for the third night straight. I've been there after a bad batch of dud seed. Now I germ-test every packet before it goes in the ground, store it properly, and replace stock when it's past its prime. Twelve acres of food production doesn't run on hope – it runs on knowing what actually sprouts.

When to Call a Professional

While many off-grid projects are achievable as DIY, certain situations require licensed professionals:

• Electrical work beyond basic 12V DC additions — requires a licensed electrician
• Structural modifications to buildings or load-bearing elements
• Gas line installation or modification
• Solar array installations above safe voltage thresholds
• Any work that affects the structural integrity of your property

Always check local regulations and obtain necessary permits before commencing work.