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Starting onion plants from seed vs sets

Written by Leonard J.
Seeds vs Sets: The Great Onion Starting Debate (Spoiler: Both Win)

Picture this: you're standing in the garden center, staring at two very different onion options. On one side, tiny black seeds that look like they might blow away if someone sneezed too hard. On the other, plump little bulbs that already look like baby onions ready for their LinkedIn profile photos. Welcome to the classic gardener's dilemma – seeds or sets? Here's the thing nobody tells you: both paths lead to delicious onions, but they take wonderfully different routes to get there. And honestly? The garden center probably hopes you don't figure out what I'm about to share.

# The Real Numbers Nobody Talks About

### The Real Numbers Nobody Talks About | The Real Numbers Let's cut through the marketing fluff with some eye-opening math. One packet of seeds costs about $2 and can grow 200+ onions. Meanwhile, 50 sets will run you $8. That's literally 1 cent per onion versus 16 cents. But here's the kicker – those fancy seed varieties you can grow are worth $12 per pound at upscale grocery stores. Your great-grandmother wasn't just being thrifty; she was being brilliant. Garden centers make a 400% markup on sets versus 200% on seeds. They'll tell you sets are "premium" and "easier," but many are actually failed onions from commercial farms – literally the rejects being sold as upgrade products. The artificial scarcity of "only three varieties available" while they stock 47 types of tomato seeds in the same space? Pure profit manipulation.

The Seed Squad: Where Patience Becomes Your Superpower

Starting onions from seed is like teaching a toddler to fold fitted sheets – theoretically straightforward, but you'll question your life choices multiple times before those beautiful results appear. Seeds are the overachievers who show up to your garden with a 47-point growth plan and color-coded spreadsheets.

# Variety Paradise Unlocked

### Variety Paradise Unlocked | Variety Paradise While sets typically come in three boring options (yellow, red, white), seeds open up a catalog that'll make your head spin. Want candy-sweet Walla Wallas that taste like nature's own candy? Storage champions like Yellow Globe that'll keep for 12+ months? Those gorgeous red torpedo onions that look like tiny purple flying saucers and make your salads Instagram-worthy? Seeds are your golden ticket to onion varieties most people never knew existed. Some varieties can produce bulbs weighing over 2 pounds – that's literally one onion that could feed a family of four. We're talking about turning your $2 seed packet into $50+ worth of storage onions that'll last through winter.

# The Growing Adventure

### The Growing Adventure | The Growing Adventure The germination process is refreshingly straightforward, despite what those intimidating seed packets want you to believe. These little black dots aren't picky drama queens – they'll sprout happily in temperatures between 55-75°F. Scatter them on quality seed-starting mix, barely cover them (they like to see where they're going, apparently), and keep them consistently moist. In 7-14 days, you'll see tiny green threads emerging like nature's own confetti celebration. Baby onion seedlings huddle together in their seed trays like tiny green cheerleaders, supporting each other through their awkward teenage weeks. Here's where patience becomes your actual superpower: onion seedlings look like grass having a very bad hair day for several weeks. Don't panic – this is completely normal. These slender green shoots are building root systems 3x larger underground while you're wondering if you accidentally started a miniature lawn indoors. That 12-week head start isn't just about timing – it's about root development that translates to bulbs 40% bigger at harvest.

The Set Squad: Instant Gratification Garden Style

Sets are the laid-back friends who roll up saying "Hey, I'm already dressed for success – where's the dirt?" They're the fast-forward button of onion growing, perfect for anyone who needs immediate kitchen gratification or has the patience of a caffeinated squirrel.

# Simplicity at Its Finest

### Simplicity at Its Finest | Simplicity The planting process couldn't be simpler if it came with training wheels. Dig small holes about twice the depth of the bulb, drop them in pointy-side up (though they'll figure it out even if you get it backwards – onions are surprisingly forgiving little things), and cover lightly. Water them in, and you're basically done with the hard part. Sets nestle into the soil like they're getting tucked into bed, ready to wake up as full-grown onions. Plant them in early spring, and you'll have green onions to harvest in just a few weeks.

# The Head Start Advantage

### The Head Start Advantage | Head Start Advantage Sets give you a serious head start on harvest timing. While seed-started onions need the full growing season to reach maturity, sets can deliver fully-formed bulbs weeks earlier. This timing advantage is particularly valuable in shorter growing seasons where every week counts, or when you're desperate to prove to your neighbors that yes, you can actually grow food.

The Plot Twist: Why Choose Sides When You Can Win Twice?

Here's where practical gardening wisdom kicks in – you don't have to pick a team in this completely artificial debate. Many successful onion growers use both methods strategically, and frankly, it's the smartest approach. Start your long-storage varieties from seed. These are the onions you want curing in your pantry come winter, and the extra growing time from seed starting often results in larger, better-storing bulbs. Plant sets for your immediate needs – the onions you'll use fresh throughout the growing season. Your garden has room for both approaches, and your future cooking adventures will thank you for the abundance either choice provides.

Removing the Roadblocks (And the Anxiety)

# The Timing Terror

### The Timing Terror | Timing Terror The biggest obstacle to starting onions from seed? That intimidating timeline that makes it sound like you need NASA-level precision. Seeds supposedly need to start exactly 10-12 weeks before your last frost date, which feels impossibly early when you're still scraping ice off your windshield. Here's the truth nobody tells you: that "perfect" timing is complete marketing flexibility. Start your seeds anywhere from 8-14 weeks before frost and they'll be absolutely fine. Plants are way more adaptable than those rigid timelines suggest. Stop stressing about perfection – your great-grandmother did this without YouTube tutorials or fancy equipment.

# The Set Shopping Strategy

### The Set Shopping Strategy | Set Shopping Strategy For sets, the main challenge is timing your purchase without falling into the artificial scarcity trap. Garden centers often "sell out" of popular varieties quickly (funny how that works), and storing sets at home can be tricky since they want to either sprout or go dormant. Buy them close to planting time and get them in the ground promptly. Don't let them guilt you into buying inferior varieties because "that's all we have left."

The Bottom Line: You're Growing Garden Gold

Whether you choose the slow satisfaction of seeds or the quick wins of sets, you're growing one of gardening's most reliable crops. Onions have a 95% success rate – they're literally trying harder to grow than you are to mess them up! Even beginner gardeners typically harvest 80% of their onion plants successfully. Think about it: you get multiple celebration moments throughout the season. Week 3: first green shoots appear! Week 8: harvest scallions! Week 16: baby onions forming! Week 24: full harvest party time! Both methods work beautifully. Seeds give you variety and often superior storage quality. Sets give you speed and simplicity. The joy of harvesting your first seed-grown onion with kids who remember planting those "tiny black dots" months ago? Priceless. Sharing your homegrown onion varieties with neighbors creates the kind of garden friendships that last decades. Now stop overthinking this and start planting. Those onions are practically volunteering to turn your efforts into kitchen gold, and honestly, they're more reliable than most people you know.