What to Plant in Fall for Spring Flowers (and What to Skip)
Most people start thinking about flowers when the weather warms up. But if you want a garden or a flower farm full of blooms in April and May, spring is actually far too late to start.
I think garden centers have trained us to think seasonally in a very particular way. Spring arrives, we buy the flowers, we plant the flowers, and suddenly we have a garden. But a plant's calendar is not the same as a shopping calendar.
Spring flowers are not a spring project. They are a fall project with a spring payoff.
Why Fall Works So Well for Certain Plants
We have been trained to think of winter as the season where everything is dead and dormant. But some plants genuinely benefit from fall conditions.
Cooler soil. Some seeds need it to germinate.
Cooler air. Less heat stress on young plants.
More consistent moisture. Spring here tends to swing between wet, dry, wet, wet, wet, and then suddenly it is summer and humid. Fall is slower and steadier.
Less pest pressure. The hordes of chewing, sucking insects are winding down, so young plants are not fighting for their lives the moment they go in.
Natural cold exposure. Some seeds need a cold period before they will germinate at all. Milkweed is a great example. Everybody loves it, it feeds pollinators and it is a host plant for monarchs. But if you collect those seed pods now and try to sow the seed without a cold season, it will not germinate.
A plant may look like it is doing absolutely nothing in November. Underneath the soil, it is building the root system that lets it take off in March.
You Do Not Want a Big Plant in Fall
This is the part I learned the hard way.
I have planted cool season crops too early. They put on beautiful, lush growth, and I was thrilled. That plant is going to do so well over winter.
Totally wrong.
Those plants had far more top growth than their roots could support, and they were not established enough to make it through. The goal is not a big plant in fall. The goal is the right amount of establishment before winter hits.
Fall planting is not about growing flowers in November. It is about building the plant that is going to explode in April.
Honestly, one of my best timing signals is the seed that spilled over from last season. When those volunteers start popping up, that tells me more than any chart, because every year is different.
Hardy Annuals: The Flowers People Do Not Realize Handle Cold
Annual does not automatically mean tender.
When people hear "annual," they picture the big summer showstoppers. Marigolds, zinnias, cosmos. Those are tender annuals, and like me, they love summer.
Hardy annuals are the fall girlies. The ones who love sweater weather and all the brr months.
Here are the ones we lean on:
Larkspur. Beautiful, and it genuinely needs the cold. If you plant it in April, it will not bloom.
Nigella. We use it multiple times through the year, both as a flower and as a seed pod.
Bupleurum. A fantastic filler that comes in several varieties with different bloom windows.
Orlaya. A pretty white lacy flower with a lovely seed head. Be careful handling it, because it can be a little sharp.
Bachelor buttons. Probably one of the biggest workhorses in my garden. We use them fresh and culinary, and some people have good success drying them. If you dry them, handle them gently, because they are very fragile and tend to shatter.
Poppies. Ours are already coming up. They are teeny tiny, and weeding the poppy bed becomes a game of guessing which seedling is which.
Bells of Ireland. Probably the most underrated flower I ever stumbled into. When I first grew them I thought they looked pretty and figured I would try them. Nobody warned me about the scent. Clean, almost like apple. They are one of my personal favorites.
Sweet peas. The classic scent, and they climb. Ours have already sprouted in the hoop houses and we are very excited.
Snapdragons. These come in both hardy and tender varieties, so check which one you have. We have a full snapdragon video coming soon.
Feverfew. A filler we use constantly, and it will happily act as a perennial. Give it lots of space, and do not put it in landscape fabric. It resents being confined and wants the freedom to fill in. Let it go and it will fill a bed on its own.
All of these perform better when they experience cold rather than being started once things warm up. We plant them in fall, and then we do a second planting in January or February that goes into the ground at the very beginning of March, frost and all.
Direct Sow or Start in Trays?
Some people are brilliant at direct sowing. They prep the soil, drag a row open, drop the seeds in, and it just works.
It does not work for us. I honestly do not know what I do wrong.
I like more control. A lot of these seeds are very fine, and I do not want to waste seed sowing thickly and then thinning. So we start in 128 cell trays. I can see the germination rate right away and I know quickly how things are going.
Some seeds also have preferences that the packet will not tell you:
- Bells of Ireland need a buddy. We always put two seeds in each cell. They do not germinate well alone, which is part of why they topped our list of the hardest flowers to grow. They need that "are you ready? Let's do this" energy.
- Larkspur likes to be sown heavier than you would expect, even in trays.
Just because a packet says you can direct sow does not mean that is how it works best on your farm. Know your seeds.
And there is a real difference between production and backyard growing. If you have a small space and want ten plants from a seed packet, direct sowing is perfectly reasonable. It just gives me anxiety. Will they germinate? Will a bird eat them? I like to watch the whole thing.
Bulbs and Corms
This is where people most often get caught out.
Fall shows up, the season shifts, and suddenly it is "oh, I really wanted tulips this year." In our region, on Maryland's Eastern Shore, tulips should be in the ground by October at the latest. Your timing will be different in Maine, Georgia, or out west, so use soil temperature and local guidance rather than my calendar.
Fall bulbs and corms to think about:
- Tulips
- Daffodils
- Alliums, which are a whole incredible crop and not just "an onion thing"
- Hyacinths
- Ranunculus
They need to be in the ground in fall to get the cold treatment they require and to establish before they get the signal to grow. Plant too late and you get tiny flowers without the stem length you want.
How early is too early?
Do not plant just because September arrived. I recorded this over Labor Day weekend and it was 94 degrees outside. Not a bulb planting day.
Wait for the right soil temperature rather than a calendar date. But order early. If you wait to buy, the varieties you want will be sold out.
Keeping squirrels out
For a large planting, lay chicken wire over the area and stake it down. They cannot dig through it.
For a small area, push plastic forks into the soil with the tines facing up. It pokes their paws and they move along.
A note on tulips
Tulips are incredible. Endless sizes, shapes, colors, and bloom windows.
But as a flower farmer, I plant the bulb, pull the whole thing in spring, and the bulb gets thrown away. I find that wasteful, so we grow touches of tulips rather than making them a focus.
And for home gardeners, here is the common misconception: tulips are great and easy for the first year. If you want them to keep coming back well, there is real work involved in caring for them and feeding them.
Fall Is Perennial Season
Fall is a great time to plant perennials, divide established ones, and move plants that are in the wrong place.
Think of it like moving a sleeping baby. The plant is already winding down. You gently lift it, move it, tuck it back in, and let it wake up when it is ready.
Do the same thing in spring and you are asking that plant to re-root through wildly fluctuating weather while also gearing up to grow and flower. In fall, it gets the rest of autumn and all of winter to settle in, soak up moisture, and unpack its boxes.
Perennials that move and divide really well in fall:
- Rudbeckia, including black-eyed Susans, whatever the size
- Echinacea
- Yarrow
- Veronica
- Helenium
- Bee balm
You are giving the plant time to establish roots without asking it to survive summer heat and produce flowers at the same time.
What Not to Plant in Fall
Fall planting is not automatically better. Tender annuals still belong in the warm season:
- Zinnias
- Cosmos
- Celosia
- Basil
- Sunflowers
These are very frost sensitive. Basil especially. It will start to wilt and look rough before there is even a frost.
We actually use that. We tuck a few basil plants into the cooler spots of the field as a warning system. If the basil looks bad, I know we have had an early patchy frost or colder temperatures in that section than I realized.
The flower I finally gave up on
Some plants may technically overwinter, but they are not worth the risk in every climate.
Cerinthe, also called honeywort, is a gorgeous flower with beautiful drooping blooms. Everyone everywhere says to grow it as a cool season crop. We tried for years to overwinter it.
It did not matter how much Agribon I put on or what other support I gave it. It always fried. Not a little crisping on the edges. It turned black and died.
So last year we cut it from the list. Then a two-foot patch came up on its own along the fence where seed had dropped. I decided to leave it alone and let Mother Nature show me what would happen.
Every single one of those plants died.
It is okay to say, "I am supposed to be able to grow this, and it does not work for me." It is not worth your time, your frustration, or your energy. If you have not listened to the 80/20 episode, go back and find it. Cerinthe is not part of any math that works here.
Your Zone Is Not the Whole Story
Your USDA zone tells you something about your winter. It does not tell you everything about your garden or farm. Microclimates matter enormously.
Wind exposure. One end of our field is windy. The far end is hold-on-to-your-socks windy, because of the way a gap in the trees funnels it through. I have lost sections of fabric that were not pinned properly.
Low spots. More water sits there, which means more freezing and more rot.
Raised beds. They can be great, and they can also freeze harder than the ground.
Protected areas. Is the wind blocked, or does it come in and get trapped?
Exposure. Your south side and north side behave very differently. Hoop houses have been one of our best investments for exactly this reason, and we will do a full hoop house episode soon.
Snow cover. Everybody says snow is a great insulator, and it is. But when it starts to melt, your Agribon can freeze to the ground. I have had to go back out and lay new Agribon over the top because the snow had not thawed enough to pull the old cover across, and part of the plant was exposed. At hundreds of feet of row, that is a real job, in the cold and the wet.
Wet winter soil. You want moisture, not a swamp. Drainage matters.
Common Fall Planting Mistakes
Planting too early. Plants go into winter too large and tender, and they fry.
Planting too late. Roots are too small to establish, and they die.
Overwatering. Cooler weather changes water needs dramatically. I see it in the greenhouse right now: warm days and cool nights need far less water than the steady hot stretches where I sometimes water twice a day.
Poor drainage. Cold, wet soil is worse than cold alone.
Over-fertilizing. You are not trying to force lush growth before winter. I would not fertilize to push anything.
Ignoring winter weeds. They are still competition.
Assuming every seed wants the same thing. Some want light, some want dark, some want cold, some want freezing, some want wet, dark, and cold. Learn what your plant actually wants.
Confusing germination with success. Getting a seed to sprout in October is not the goal. Getting the plant through winter is.
Plan for the Winter You Might Get
Last winter was wild. I was using a sledgehammer to break ice in front of the door just to get through the drifts to the water. Things died. That is farming.
Weather varies year to year, so build in options. Row cover, low tunnels, a small hoop house, heavy mulch where it is appropriate, succession plantings, backup seedlings, burlap. And yes, talking to your plants.
Do not put your whole crop into a single planting date. I need larkspur across the whole season, so I sow heavier in fall and I know I have two more plantings behind it. If winter works, it is a bonus. If it does not, I have backups.
It is okay to experiment. I would rather test fifty plants and learn something than decide something will not work without ever trying.
Start Small, or Work Backwards
If you are a backyard gardener, you do not need to plant hundreds of anything. Pick three to five spring flowers you would love and start there.
If you are a flower farmer, work backwards from your sales windows. Valentine's Day, Easter, Mother's Day, early weddings, farmers markets, subscriptions. What do you want to have available in April and May? Count backwards, and give yourself a buffer.
Grow what has a job in your business.
Your Homework
Walk outside with a notebook, or the notes app on your phone, and answer four questions:
- Where do I want flowers next spring?
- What do I want blooming in April and May?
- Which of those need to be planted or started this fall?
- Do I have the supplies, or do I need to place an order?
If you want help turning those answers into an actual plan, our Garden Planning Guide is a good next step.
Do not wait for that first beautiful 65-degree day in March to decide you are a spring gardener this year. By then, nature has been working on spring for months. If we are planting in March, we started those seeds in January, and the infrastructure went in during August and October.
Successful growing is almost always about thinking one season ahead. In the middle of July, it feels strange to be thinking about tulips. But while everyone else is looking at mums and pumpkins, flower growers are already thinking about larkspur, snapdragons, and Mother's Day.
Spring flowers are not a spring project. They are a fall project with a spring payoff.
Send me your homework answers, or drop your questions in the comments. I cannot wait to see what you are planning for spring.
Frequently Asked Questions
What flowers should I plant in fall for spring blooms?
Hardy annuals such as larkspur, nigella, bupleurum, orlaya, bachelor buttons, poppies, Bells of Ireland, sweet peas, and hardy snapdragon varieties do well planted in fall. Spring bulbs and corms, including tulips, daffodils, alliums, hyacinths, and ranunculus, also need to go in during fall to receive the cold treatment they require.
What is the difference between hardy annuals and tender annuals?
Tender annuals, such as zinnias, cosmos, celosia, and sunflowers, are frost sensitive and belong in the warm season. Hardy annuals tolerate cold and often perform better when they experience it, which makes them good candidates for fall planting.
When should I plant tulip bulbs?
Plant when the soil has cooled, rather than on a fixed calendar date. On Maryland's Eastern Shore, tulips should be in the ground by October at the latest. Timing varies by region, so check local soil temperatures and guidance. Order early, because popular varieties sell out.
What should I not plant in fall?
Tender annuals and frost-sensitive crops, including zinnias, cosmos, celosia, basil, and sunflowers, should wait for warm weather in spring.
Is fall a good time to move or divide perennials?
Yes. Fall gives perennials the rest of autumn and all of winter to re-establish roots without also having to survive summer heat and produce flowers. Rudbeckia, echinacea, yarrow, veronica, helenium, and bee balm all move and divide well in fall.
Why did my fall-planted flowers die over winter?
Common causes include planting too early so plants go into winter large and tender, planting too late so roots never establish, overwatering, poor drainage in cold wet soil, over-fertilizing, and microclimate factors such as wind exposure and low spots. Your USDA zone does not capture those local differences.
How do I keep squirrels from digging up bulbs?
For large plantings, stake chicken wire over the planted area. For small areas, push plastic forks into the soil with the tines facing up so they poke at digging paws.
Do some seeds need cold to germinate?
Yes. Milkweed is a common example. Its seed needs a period of cold before it will germinate, so collecting seed in fall and sowing it immediately without that cold exposure usually fails.
