Starting vegetables from seed at home: a beginner's timeline

Most first-time growers buy a small nursery seedling because starting from seed feels like it needs more skill than it actually does. The truth is that a handful of common kitchen garden vegetables germinate reliably on a sunny ledge with nothing more than a seed tray, a decent mix, and patience. Seed packets also cost a fraction of what a tray of seedlings does, and they open up varieties a local nursery never stocks. The part that actually trips people up isn't the germination itself, it's knowing which crops tolerate being started in a tray and moved later, and which ones sulk or die if you try that with them.

Direct sow or start in a tray? The difference that actually matters

Some vegetables have root systems that resent disturbance. Bhindi, peas, beans, and anything root-shaped like carrot or radish should go straight into their final container as seed. Move them once they've germinated and you'll usually set the plant back by a week or more, sometimes it doesn't recover at all. These crops also germinate fast enough that starting them early indoors buys you little.

Other vegetables are slow enough to reach a productive size that starting them in a small tray first, then transplanting once they have two or three true leaves, gives you a real head start. Tomato, chilli, cabbage, and cauliflower fall in this group. A small tray of six to eight cells takes up almost no space on a windowsill, and it lets you raise several seedlings at once and keep only the strongest ones, which is harder to do efficiently when every seed is already committed to its own full-size pot. Our guide to growing tomatoes and chillies in balcony containers picks up right where this leaves off, once a seedling is ready to move into its permanent pot.

A seed-starting mix that actually drains

Regular potting mix is usually too heavy for seed starting. It holds too much water around a seed that hasn't built roots yet, which is the single biggest reason seeds rot before they sprout. A lighter mix drains faster and still holds enough moisture to keep a seed from drying out between waterings. A block of cocopeat expands into a fine, fluffy medium that's close to ideal on its own, mixed with a smaller share of vermicompost for a small amount of nutrition once true leaves appear. Roughly three parts cocopeat to one part vermicompost works well for most vegetables. Skip garden soil at this stage entirely, it compacts in a small cell and is a common source of the fungus gnats and damping-off fungus that kill seedlings in their first week. A proper multi-cavity seedling tray also makes life easier than repurposed cups, since each cell drains on its own and seedlings lift out with minimal root damage at transplant time. For the fuller picture on what goes into the pot after transplanting, see our soil and fertilizer basics guide.

The week-by-week timeline

• Week 0, sowing. Sow at roughly twice the seed's own depth, no deeper. A common beginner mistake is burying seeds too deep, which delays or entirely prevents germination. Peas and beans germinate faster if soaked in water for eight to twelve hours first. Keep the mix moist, not soggy, and cover the tray loosely with a plastic sheet or its own lid to hold humidity until the first sprouts show.
• Days 4 to 8. Fast germinators show up here: methi, palak, and most leafy greens usually break the surface within four to six days in warm weather. Remove any humidity cover as soon as you see green, leaving it on longer invites damping-off.
• Days 5 to 14. Tomato and chilli both fall in this window, tomato usually a little faster than chilli. Bottom heat helps if you're starting seeds during a cooler month, a warm kitchen counter or the top of a fridge works fine without buying anything.
• Weeks 2 to 3, true leaves. The first pair of leaves a seedling shows are rounded cotyledons, not the plant's actual leaf shape. Once a second, correctly-shaped set of true leaves appears, the seedling has enough of a root system to handle its first light feed and, for tray-started crops, is close to ready for hardening off.
• Week 3 to 4, hardening off. Move tray-started seedlings outdoors for increasing stretches over four to five days, starting with an hour of morning sun and working up to a full day, before transplanting into a final pot. Skipping this step is why seedlings that looked healthy indoors often scorch or wilt within a day of being moved straight outside.
• Week 4 onward, transplant. Move tray-started seedlings into their final container once they're hardened off and have three or four true leaves. Water well right after transplanting and keep the plant in light shade for a day or two if the weather is hot, to reduce transplant shock.

Common first-timer mistakes

• Overwatering a tray that hasn't sprouted yet. A seed tray needs to stay consistently damp, not wet enough to smell sour. Standing water around ungerminated seeds is the most common cause of rot before anything even comes up.
• Leggy, pale seedlings. Seedlings stretch and go weak-stemmed when light is too dim or too far away. A bright, unobstructed windowsill is the minimum, and seedlings that lean hard toward the glass need turning every couple of days so they grow straight rather than sideways.
• Transplanting too early or too roughly. A seedling with only its cotyledons and no true leaves yet doesn't have the root mass to survive a move. Handle seedlings by their leaves rather than the stem when you do transplant, a bruised stem rarely recovers but a torn leaf usually doesn't matter.
• Sowing everything on the same day. Staggering sowing of fast crops like methi or palak by a week or two gives you a rolling harvest instead of a single glut followed by nothing, worth doing deliberately rather than sowing an entire packet at once.

Timing it around a Jaipur summer

On a Jaipur rooftop, the sowing calendar is really built around dodging the worst of the heat rather than following a generic seasonal chart. Tomatoes, chillies, and bhindi get started from seed in late January or February so they're established well before peak-summer temperatures cross 40°C, since a young seedling has far less resilience to extreme heat than a mature plant does. Lauki and other gourds go in as the weather warms toward March, they actually want the heat once they have a real root system. Cool-season crops flip the calendar entirely: methi, palak, dhaniya, and patta gobhi get sown from seed in late September through October, once daytime highs have dropped enough that seedlings won't scorch in their first week. Our guide to growing methi, palak, and patta gobhi in containers goes deeper into that winter window specifically. If you're not sure what should go in the ground this month regardless of city, the seasonal calendar tool is built for exactly that question.

Once seedlings are ready to move out of their trays, fabric grow bags are a cheap, forgiving first container for vegetables like tomato and french bean, since their breathable sides prevent the waterlogging that kills more seedlings than anything else on this list. Start with two or three crops you'll actually eat rather than a full tray of everything at once. A small, well-tended batch of seedlings beats a large neglected one every time.

Not sure why a seedling is struggling once it's in the ground? Try the Plant Doctor tool →