You can plant indoors in October to keep flowers and fresh herbs going. The garden may be done, but your windowsill is not. The best picks are paperwhites and amaryllis for blooms. Add cool-season herbs and flowering houseplants too. They all do well in a sunny window through winter.
Outdoor beds wind down now. So a sunny window turns into your best growing space. Indoor fall planting lets you trade a frozen yard for a bright spot inside. The same south window that grew seedlings in spring works just as well now for bulbs and herbs.
Forcing is the trick that makes winter blooms happen. It means coaxing a bulb to flower out of its normal season, and how you do it depends on the bulb. Paperwhites bloom with no cold period at all, so you set them in stones or soil, add water, and flowers follow in 4 to 6 weeks. Amaryllis works the same easy way and sends up huge trumpet flowers from one fat bulb. Tulips and hyacinths are different. Those need 12 to 14 weeks of chilling near 40°F (4°C) before they will flower, so plan ahead if you want them.
Herbs give you a smaller but steady payoff all season. Cool-season types handle the lower light of a winter window better than basil does. Parsley, chives, cilantro, and mint all keep going, and you can snip them for months. Start them from seed now or pot up a clump you dug from the garden before frost. Either way, you get fresh flavor when the rest of the yard is bare.
Forced Bulbs
- Easy picks: Paperwhites and amaryllis bloom with no chilling, so they flower 4 to 6 weeks after you pot them up.
- Need cold first: Tulips and hyacinths want 12 to 14 weeks near 40°F (4°C) before they bloom, so a spare fridge shelf works.
- Display tip: Set paperwhites in a clear jar of stones and water so you can watch the roots grow down.
Cool-Season Herbs
- Best choices: Parsley, chives, cilantro, and mint take the low light of a winter window in stride.
- Light need: Give them a south-facing window or a small grow light for 6 hours a day.
- Harvest: Snip the outer stems and leave the center so each plant keeps pushing new growth.
Flowering Houseplants
- Color now: African violets and cyclamen bloom indoors through the cold months with steady care.
- Holiday timing: A Christmas cactus sets buds when nights get long and cool, so October is the time to start.
- Care: Keep them out of cold drafts and away from hot heat vents that dry the air fast.
Light is the one thing your indoor plants miss most this time of year. The sun sits low and the days get short, so put everything in your brightest window or add a cheap grow light. Plants in dim corners stretch tall and weak, and they rarely bloom well.
Go easy on the water once the light drops. In low winter light plants drink far less. Soggy soil is the fastest way to rot a bulb or root. Check the top inch of soil first, and only water when it feels dry. Paperwhites grown in water alone need just enough to touch the base of the bulb, not cover it. Too much water makes the roots sit and rot.
When forcing bulbs indoors, plant a new batch of paperwhites every 2 weeks instead of all at once. Staggering them gives you fresh flowers from late November straight through the new year. Start a pot now, mark your calendar, and you will have blooms on the table all winter long.
Read the full article: Fall Blooming Plants: A Complete Guide