There’s nothing quite like the bright, cheerful blooms of chrysanthemums to bring color and warmth to your St. Paul home during fall. Whether they’re decorating your porch or lining your walkway, outdoor potted mums are a seasonal favorite across Minnesota. But keeping them vibrant through chilly autumn nights takes just a little extra care — and we’re here to help!

🍁 Before we dive in, you might also enjoy our recent post on why November is a great month for fresh flowers from your St. Paul florist. It’s full of inspiration for bringing seasonal blooms into your home this time of year!

☀️ Choose the Perfect Spot

Chrysanthemums thrive in sunlight. For best results, place your pots where they’ll receive at least six hours of direct light daily. A sunny porch, driveway, or garden edge is ideal. If your mums start stretching or showing fewer blooms, move them to a brighter area.

💧 Water Regularly — But Don’t Overdo It

Outdoor potted mums like their soil to stay consistently moist, not dry or soggy. Minnesota’s crisp fall air can dry soil faster than expected, so check the moisture level daily.

• Water when the top inch of soil feels dry.
• Pour water at the base, not over the flowers, to prevent mold.
• Make sure your pot drains well to avoid root rot.

Pro tip: Keep your mum in its original grow pot and slip it into a decorative outer pot. That way, you can easily remove it for watering and better drainage.

🌿 Feed and Deadhead for More Blooms

As blooms begin to fade, deadhead (remove) spent flowers to encourage new buds. Feed every two weeks with a balanced liquid fertilizer. This simple routine helps your mums stay fuller and more colorful throughout the season.

❄️ Protect from Cold Weather

When the temperature starts dipping below 40°F, your mums will need a little extra protection:

• Move pots closer to your home’s exterior wall for warmth.
• Cover them overnight if a frost is expected.
• Once blooming stops, trim the stems to about two inches and move the pot to a cool, dark spot (like a garage or basement).

With light monthly watering through the winter, you can even try reviving your mums next spring!

💐 Bring Home Fresh Fall Blooms

Want to refresh your fall décor or replace fading blooms? Browse our latest seasonal flower collection — featuring chrysanthemums, sunflowers, and elegant autumn arrangements — all available for same-day delivery in St. Paul and the Twin Cities.
👉 Shop Fall Flowers at A. Johnson Florist & Flower Delivery

🌻 Final Thoughts

Caring for outdoor potted chrysanthemums is easy with a little attention and routine care. By giving your mums the right balance of sunlight, water, and shelter, you’ll enjoy vibrant color that lasts deep into fall — even as the Minnesota air turns crisp.

So grab a warm drink, step outside, and admire your beautiful mums — a perfect touch of fall from A. Johnson Florist & Flower Delivery in St. Paul, MN.