7 Foolproof Plants for May – Grow Them Now and Transform a Hot Mess Garden into Something Stunning
If your garden isn’t going to plan, May is your chance to reset...
Garden not gone to plan? Deep breath – you're not alone. In fact, it's a truth universally acknowledged that, by May, a lot of gardeners have already hit a wall. The early enthusiasm has worn off, the weeds are winning, and whatever was planted optimistically a wee while ago is… not thriving.
At this point, it’s tempting to give up entirely and write the whole season off, but this is actually the perfect moment to reset with some seriously foolproof plants.
Right about now is when the soil has warmed, the risk of frost has passed in most USDA zones, and there’s still plenty of time to grow something that looks stunning... even if everything so far has been a bit of a disaster. It just requires a little strategizing...
Article continues below7 Foolproof Plants to Grow in May
If your garden is (whisper it) a bit of a hot mess right now, don't despair. There's still time to fill your borders and get it looking its lovely best, so long as you make a point of choosing plants that don’t need coddling, constant watering, or perfect conditions to perform.
To help you do just that, here are seven that reliably show up, grow fast, and make you look like you know exactly what you’re doing...
1. Zinnias
If there’s one foolproof plant that can turn things around in near record speed, it’s zinnias. One of those flower seeds you can direct-sow in May, they germinate fast and get to work almost immediately, producing bright, cheerful flowers that just keep coming. They thrive in heat, tolerate dry spells, and don’t mind less-than-perfect soil.
In fact, the less you fuss over them, the better they tend to do. Grab yourself some Burpee Cut and Come Again Mixed Colors Zinnia Flower Seed, then, and get to it.
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2. Sunflowers
There's a reason they grow these foolproof plants in kindergarten classrooms, you know. Consider sunflowers, then, to be the ultimate confidence boost.
Plant the seeds, give them a bit of space, and they’ll do the rest, transforming your outdoor space into something that eponymizes summer. Honestly, even in a messy garden, they can do some serious heavy lifting, as they create instant structure and height.
Better still? They’re also incredibly forgiving, which makes them ideal for beginners or anyone starting over mid-season. Go for the Fun N Sun Blend Sunflower Seeds from Burpee if you want multicolored blooms all summer long.
3. Cosmos
Cosmos are what even the most seasoned gardeners reach for when they want something easy. Because, while they have a light, airy look, they’re actually incredibly tough. In fact, these plants actually prefer poor soil and will happily flower for months with very little intervention.
Scatter the seeds (something like Burpee's Sensation Mix Cosmos Seeds), water them in, and step back. They’ll take it from there.
4. Bush Beans
For something edible that doesn’t require patience (or precision, hurrah!), bush beans are hard to beat. In fact, sown directly into warm soil, you'll find that they grow quickly and start producing in just a few weeks. There’s no need for trellises or complicated setups, and even a small patch can yield a generous harvest.
They’re one of the easiest ways to get a quick win in the garden. Here's a few favorites to try:
5. Marigolds
If you're really in the market for foolproof plants, then don't sleep on marigolds. These bright beauties are the backbone of any low-effort planting scheme, as they handle heat, inconsistent watering, and average soil without complaint, and they flower continuously through summer.
Their bold oranges and yellows instantly brighten up tired beds or containers, too, and they’re also widely believed to help deter certain garden pests, making them as practical as they are cheerful. That's more than enough reasons to fork out for a packet of Burpee's Best Mixed Colors Marigold Flower Seeds, don't you think?
6. Basil or Chives
Look, we all know that every garden is crying out for something you can actually use, so why not plant yourself some foolproof herbs while you're at it?
Basil thrives in warm conditions and grows quickly once established, making it perfect for May planting in most zones. Chives, on the other hand, are a hardy perennial that will return year after year with minimal care.
Both are forgiving, productive, and add an extra layer of satisfaction to even the smallest garden. Both can be surprisingly decorative, too, depending on which variety you plant:
7. Daylilies
If the goal is to plant something once and stop worrying about it, daylilies are the answer. These perennials are famously adaptable, coping well with poor soil, inconsistent watering, and fluctuating temperatures. And they're officially the ultimate comeback kids as, once established, they return year after year with very little input.
In other words, they quietly succeed where other plants struggle. Win!
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We love every single one of the foolproof plants on this list because they don’t demand perfect timing, pristine soil, or constant attention. Instead, they grow quickly, are very forgiving of any awkward mistakes (even if you feel guilty), and still manage to look good doing it.
And in May, that’s exactly what most of us need, because it’s not too late to save that hot mess of a garden. Not even close.

Kayleigh is an enthusiastic (sometimes too enthusiastic!) gardener and has worked in media for over a decade. She previously served as digital editor at Stylist magazine, and has written extensively for Ideal Home, Woman & Home, Homes & Gardens, and a handful of other titles. Kayleigh is passionate about wildlife-friendly gardening, and recently cancelled her weekend plans to build a mini pond when her toddler found a frog living in their water barrel. As such, her garden – designed around the stunning magnolia tree at its centre – is filled to the brim with pollinator-friendly blooms, homemade bird feeders, and old logs for insects to nest in.