Ornamental · Violaceae
Pansy
Viola × wittrockiana
Pop them in when the weather cools and pansies give you color through fall, winter, and spring.
Full sun
Every 2–4 days
19–64°F · -7–18°C
USDA 6–10
Overview
Pansies are the cheerful little faces of the cool-season garden, with wide flowers in just about every color and those dark blotches that look like tiny expressions. They're part of the violet family, a garden hybrid bred from wild violas. And while most flowers hang around waiting for warmth, pansies actually do their best work when the air turns cool and crisp.
They grow low and mounded, only about 4 to 9 inches (10 to 23 cm) tall, which makes them perfect for the front of a bed, a window box, or a pot by the door. Want variety? The flowers can be solid, blotched, or whiskered, and the colors run all the way from soft pastels to deep, almost-black purples.
Here's the thing: these are short-lived plants on purpose, grown as cool-season annuals that hit their stride in fall, winter, and spring. Heat's their weak spot, so they stretch and fade once summer arrives. So enjoy them while it's cool, and just swap them out when the weather warms up.
Care
The short version: pop them in during cool weather in rich, well-drained soil, give them full sun to part shade, keep the soil evenly moist, and deadhead often so the flowers keep coming.
Light
Pansies love full sun through the cool months, and they're perfectly happy in partial sun or partial shade too. Once spring warms up, a spot with a little afternoon shade helps them hold onto their flowers longer.
Water
Keep the soil evenly moist but well-drained, and let the top inch dry out a little between waterings. Water at the base instead of over the top, because wet leaves are an open door for downy mildew and crown rot. In cool weather that usually works out to a drink every 2 to 4 days.
Soil
Give them humus-rich, well-drained loam with plenty of organic matter mixed in. A slightly acidic pH of 5.5 to 6.5 is what they like, and honestly, good drainage is the biggest thing for keeping the roots healthy.
Temperature
This is a cool-weather flower through and through, happiest somewhere around 19°F to 64°F (-7°C to 18°C). Established plants shrug off real cold and even light snow, but the blooms taper off and the plants stretch once the days climb past the mid-60s.
Humidity
Average outdoor humidity, roughly 40% to 70%, suits pansies just fine. What really matters is airflow, since still, damp air around crowded plants is what lets leaf diseases get a foothold.
Feeding
Feed them a balanced water-soluble fertilizer about once a month through the cool-season stretch in fall and spring. Nice and steady does it, keeping the flowers coming without pushing the soft growth that aphids can't resist.
Pruning
Deadhead spent flowers often to keep fresh buds forming and stop the plant from setting seed. Pinch back any leggy stems while you're at it, which keeps things compact and drags out the bloom season.
Repotting
Bump container pansies up to a bigger pot once they've outgrown the old one. Look for roots circling the inside or poking out the drainage holes, or soil that dries out almost as soon as you water it.
Size & spacing
Pansies stay nice and small, only 4 to 9 inches (10 to 23 cm) tall with a spread of 9 to 12 inches (23 to 30 cm). That compact size lets you tuck them along edges, into pots, or in among taller plants for some early color.
When to plant
Pansies run on cool weather, not warmth, so timing's everything. Set plants out in fall and they'll bloom through the cool months and overwinter in mild zones, or plant in very early spring for color before summer heat shuts things down.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Plant: Fall (overwinters in mild zones) or very early spring
- Harvest: Fall, winter, and spring in cool weather; declines and gets leggy in summer heat
Hardiness
USDA hardiness zones: 6–10
Temperature: down to -23°C
Troubleshooting
Most pansy headaches boil down to two things: small pests in cool, damp weather, and rot or stretching when it turns wet or warm. Catch them early and a quick fix usually puts everything back on track. Just match up what you're seeing below and step in before it spreads.
Droopy plants in soggy soil and roots that've gone soft and black
When a plant droops even though the soil's plenty wet, then folds over right at the base, that's crown and root rot from soggy ground and the fungi that come with it. Sadly there's no bringing it back, so pull the affected plants and get rid of them. Sort out the drainage before you replant, ease off the watering, and let the top dry out a bit between drinks so the roots can breathe again.
Fix:
- Remove and discard affected plants
- Improve soil drainage before replanting
- Reduce watering and avoid waterlogging
Leaves going yellow up top with a fuzzy gray coating on their undersides
Yellow splotches up top and a gray-purple fuzz hiding underneath? That's downy mildew, and it runs wild in cool, humid, wet stretches. Pull the infected leaves and plants and toss them right away, then loosen up the planting so air can actually move around. Water at the base early in the day too, since damp leaves are pretty much all those spores need to spread.
Fix:
- Remove and discard infected leaves and plants
- Improve air circulation by spacing and thinning
- Avoid overhead watering and water early in the day
Little bugs all over the fresh shoots and everything's gone sticky
See those little clusters on the tender tips? That's aphids, and they pile onto the softest shoots in cool spring weather. Knock most of them off with a good jet of water, then clean up the rest with insecticidal soap or horticultural oil. If a shoot is really swarmed, just snip it off, and go light on nitrogen, because all that soft growth is exactly what they're after.
Fix:
- Spray plants with a strong jet of water to dislodge aphids
- Apply insecticidal soap or horticultural oil to affected growth
- Remove heavily infested shoots
Holes chewed through the foliage with shiny streaks left behind
Chewed-up leaves and flowers with shiny trails beside them? That's slugs and snails doing their thing at night in the cool, damp shade. Head out after dark with a flashlight and pick them off, then put down a little iron phosphate bait where they travel. Clearing away the mulch, boards, and junk they hide under helps a lot, and if you water in the morning the ground dries out well before nightfall.
Fix:
- Hand-pick slugs and snails in the evening
- Set out iron phosphate slug bait
- Remove mulch, boards, and debris that shelter them
Plants getting tall and scraggly with fewer flowers as it warms up
Pansies are cool-weather fans, so once the days creep past 64°F (18°C) they start to stretch out and flower less. Don't panic, this is just summer heat stress, not some disease. Pinch back the leggy stems and deadhead to nudge out one more round of blooms, give them afternoon shade and steady water through the warm spells, and when real heat shows up, treat them like the cool-season annuals they are and swap them out.
Fix:
- Pinch back leggy stems and deadhead to encourage rebloom
- Provide afternoon shade and consistent moisture in warm spells
- Replace plants as a cool-season annual when summer heat sets in
Toxicity
Pansies are about as safe as a flowering plant gets, so you can relax. The ASPCA lists them as non-toxic to cats, dogs, and horses, and the flowers are even edible for people. A curious pet or a grazing animal has nothing to fear from a bed of pansies.
Safe for
People · Cats · Dogs · Horses · Rabbits · Livestock · Birds
Cats None
Pansies are safe for cats, so a nibbled flower here and there is really no big deal. Like with any plant, if a cat goes overboard on foliage it might get a quick bout of mild tummy trouble, but that sorts itself out.
Dogs None
Dogs can munch pansy leaves and flowers without any harm at all. The only thing to keep an eye on is the loose stool that comes from any dog wolfing down a big mouthful of greens, and even that clears up quick.
Horses Safe
Horses grazing near a bed or border of pansies have nothing to worry about. There's no toxin in there, so a grazing horse doesn't need any special watching around them.
Rabbits Safe
Rabbits can eat the leaves and the flowers just fine, and lots of gardeners hand over the blooms as a treat. Just keep the servings reasonable, like you would with any fresh green, so their tummies stay happy.
Livestock Safe
Cattle, goats, and sheep are totally fine around pansies in a pasture or planting. There's nothing harmful anywhere in the plant.
Birds Safe
Pansies are safe around birds, and backyard hens will happily go to town on the petals. Nothing in the plant's going to hurt them.
People Safe
Believe it or not, pansy flowers are genuinely edible and show up in salads or candied on cakes. Just give them a wash first, or grow your own without pesticides, since the ones from the garden center can carry spray residue.
No special handling needed; flowers are edible, though garden plants may carry pesticide residue and should be washed or grown pesticide-free before eating.
Varieties
Pansies come in dozens of named series, but only a handful keep showing up at the garden center. These are the ones worth knowing by name.
Majestic Giants
If you're after the biggest blooms, this is the series to grab, with flowers around 3 to 4 inches across sporting bold dark blotches, and it shrugs off both cold and heat.
Matrix
Matrix keeps things compact and tidy, holding its flowers face-up and getting going early without stretching out.
Delta
Delta's a vigorous, early bloomer with clear or blotched faces, and it handles cold and heat like a champ.
Cool Wave
Cool Wave is the trailing one that spills and cascades, so it's the obvious pick for a hanging basket or as a groundcover.
How to propagate
Pansies are almost always grown from seed, though the seed does want a bit of patience and steady warmth to get going.
SeedModerate
Sow indoors in mid to late summer for fall planting, or in late winter for early spring planting
Most people just start pansies from seed or grab transplants instead of messing with cuttings. Sow the seed indoors in mid to late summer if you're planting in fall, or in late winter to set them out come early spring. That said, the seed can be finicky, so plenty of folks let a grower handle that bit and pick up ready-to-plant flats.
Myths
Pansies and violas are the same plant.
They're close cousins, but not quite the same thing. Pansies give you bigger flowers but fewer of them, while violas and Johnny-jump-ups put out loads of little ones. The violas also take the heat a bit better.
Those pretty pansy blooms belong on the plant, not on anyone's plate.
Nope, the flowers are actually edible. You can drop them fresh into a salad or candy them for a cake, and the only catch is they've got to be grown without pesticides before they hit the plate.
Pansies are heat lovers that do their best through the summer months.
It's actually the other way around. Pansies are cool-season plants that bloom their best in fall, winter, and spring, then stretch out and fizzle once summer heat rolls in.