Most people assume that fall is the end of the planting season, when, in fact, it is the exact opposite. As spring garden centers begin to sell stressed seedlings at high prices, savvy gardeners see their fall sown flowers developing ahead of everyone else, and with a stronger, and more spectacular display.

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Spring isn't the only time flowers can be planted in the garden; fall flower sowing is also a great time to do this. Some flowers need to experience winter's cold in order to produce the best blooms in the spring. Fall-planted flowers develop root systems in the fall that are beyond anything spring-planted flowers can achieve.

Why Fall Sowing is Always Better Than Spring

If you plant your flower seeds during fall, they will undergo a process called natural stratification which is a way that seedlings can break their dormancy and get ready for more resilient growth come spring time. Fall planted seeds will come up in spring already with some developed roots, in turn making them better suited to find water deep in the soil during times of drought.

Fall-planted flowers blossom 2–4 weeks early compared to spring-sown flowers, providing you with beautiful colors while the rest of the garden is still waking up. You also skip the spring planting rush as garden centers raise their prices and offer less variety.

Accurate Timing by Growing Zone

Successfully sowing seeds in the fall comes to timing. If you plant too early, the seeds may sprout before winter and tender seedlings will be at risk of frost. If you plant too late, the seeds won't have enough time to complete the first steps of the germination process.

Zones 3-5: The Champion Hardy Plants

In cold winter areas, plant these champions after the first, hard frost, but before the soil completely freezes. This is usually mid to late October.

Poppies have a unique reproductive system, dispersing their seeds as fairy dust. However, in order for their seeds to germinate, they require a cold stratification period. Direct sowing and lightly covering the seeds are recommended as the seeds require light for germination.

Fall planted Sweet Peas are the strongest climbers and benefit from the winter moisture cycle for vigorous climbing and earlier blooming before summers heat.

Cornflowers (bachelor buttons) are incredibly hardy annuals that offer winter as small rosettes. When planted in fall, they produce taller and more branched plants that produce a greater number of blooms.

Seasonal changes and cool temperatures will assist Larkspur in reaching its maximum height. Larkspur sown in the fall will create roots that will support its tall flower spike.

Zones 6-7: Added Opportunities

Gardeners can now have more flexibility in their choosing of time as planting can be pushed to November in zones with mild winters.

Nigella (also known as "love-in-a-mist") produces beautiful blue petals. They have small seeds that require winter stratification. The lace-like leaves and distinctive seed pods also add texture to spring bouquets.

True biennials such as foxgloves require cold treatment to flowering. When planted in the fall, roots can strengthen and the winter dormancy period will trigger flowering the subsequent year.

When fall-planted, Shasta Daisies form stronger crowns and grow larger clumps with more blooms than when spring-planted.

Zones 8-10: Growing All Year

Gardeners in warm climates can enjoy flowers in their mild winters and even plant as late as December.

Calendulas like the cooler months which is great because they bloom even in the winter. Their petals can be eaten and make holiday and spring time dishes look even more festive.

Snapdragons thrive particularly well in zones 8-10. The cool winters of these zones help the snapdragons to grow stems and flower spikes, providing an excellent display in spring.

Delphiniums may have some issues with spring heat in warmer areas, but when fall-planted they do better. Delphiniums are able to form solid root systems during the cold months, which results in the development of large flowering spikes before the heat climbs again.

Hollyhocks are lovely biennials that need some time to get established. A fall planting will allow them to develop the strong taproot system that is required for impressive height and flower production.

Success Strategy: Preparing the Site

Success begins with appropriate soil preparation. Select locations that drain well, as standing winter water kills more seeds sown in the fall than cold temperatures. Incorporate compost into heavy clay soils to improve drainage.

Most flowers that are sown in the fall like sunny areas where there is morning sun exposure. This prevents afternoon heat that can be stressful for new seedlings while providing warmth for the seedlings to germinate in spring.

Planting and Protection Tips

For fall planting, as with spring planting, seeds should be covered with soil to the same depth. For cold zones, after planting, you can add a thin layer of mulch to keep soil from heaving during freezing and thawing. As it warms in the spring, remove the mulch layer gradually.

Mark the areas where you planted seeds. It will be easy to forget where you scattered seeds come spring. Use plant markers or make a quick map of your garden so you don't disturb the areas with seeds that are beginning to germinate during spring cleaning.

If fall rains are minimal, water newly planted seeds to aid germination. However, do not overwater as soggy conditions can cause seeds to rot, whereas dry conditions can suspend the germination process.

The secret to stunning spring gardens isn't about fancy plants or hitting the perfect planting season. It's about working with nature. When you plant in the fall, it allows your flowers to get what they need to flourish and crazy spring growth with ample flowers. Your garden will leave spring garden shoppers in awe and wonder how you did it!