12 Fast Growing Seeds That Germinate Quickly - Backyard Boss
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12 Fast Growing Seeds That Germinate Quickly

Starting a garden from seed can be incredibly rewarding. But not all plants grow at the same rate, so it’s necessary to consider which seeds will germinate quickly and give you the fastest results. After all, there’s nothing like the satisfaction of seeing a tiny seed turn into a tall, thriving plant.

Fortunately, plenty of fast-growing seeds produce beautiful blooms, delicious vegetables, and herbs with amazing aromas in no time!


If you want your vegetable garden to grow quickly and easily, you’re in luck! Moreover, many fast-sprouting vegetables come in assorted varieties, giving gardeners even more options to suit their taste preferences or climate conditions.


Turnip label in a garden
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Turnips are excellent cool-weather vegetables that germinate quickly. In fact, you can harvest your turnips within five to 10 weeks. They have a sweet, nutty flavor and provide a unique crunch to any dish — and they’re packed with vitamins, including vitamins C, K, and fiber.

To start your turnips, begin two to three weeks before your last spring frost date, or, for a fall harvest, sow in the late summer. Plant the seeds about ¼ to ½ inches deep in the ground and cover them lightly with soil. The optimal soil temperature for growing turnips is 65 to 70 degrees Fahrenheit. But they can tolerate temperatures as low as 60 degrees Fahrenheit. You can direct seed your turnips and keep the area moist but not waterlogged. Turnip seedlings emerge after just three to seven days!

Turnips are full of nutrients and flavor and are a superb choice for anyone looking to add a fast-growing vegetable to their lifestyle. They make them perfect for novice gardeners and busy lifestyles alike.


Butternut Squash
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Squash is a highly versatile and hardy vegetable that you can sow directly in your soil in April or May. Squash contains essential vitamins, such as A, C, and B, and it has quick-growing seeds. With soil temperatures between 70 to 95 degrees Fahrenheit, germination time for these fantastic veggies is six to 12 days.

Squash plants are perfect for beginner horticulturists or those with busy lives. To start, you need a sunny spot, compost, fertilizer, and some soil. Give your squash plenty of room to spread out and water these beauties well. They also make great trellis or container vegetables!


Freshly harvested beets
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Not only do beets produce tender leaves and edible roots, but they also provide loads of antioxidants, fiber, and folate. Within four to six days, you can have an abundant crop of seedlings ready to harvest in just three short months.

Beet seeds require little maintenance. Sow your seeds directly into the soil from March to July, and cover lightly with soil. Keep the area well watered. Soon enough, you’ll have beautiful beets sprouting up from the ground.

Note: If temperatures of the soil are exceedingly low, your beets may take two to three weeks to germinate.


If you’re looking for a way to get your herb garden up and running fast, look no further than these varieties of herb seeds that germinate quickly! With the right type of seeds, you can have fragrant, flavorful greens in as little as weeks.


Fenugreek herb
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Fenugreek has delicate leaves that can add a unique flavor to curries, soups, and salads. This herb not only packs an intense flavor but also has plenty of health benefits. Fenugreek is an excellent source of vitamins C, B, and A, as well as minerals like calcium and biotin.

You can direct sow fenugreek, but if you live in an area with frost risk, it’s best to plant it in containers so you can bring them inside. Plant fenugreek in the spring or summer if you live in a cooler climate. For warmer climates, winter and fall are best. Fenugreek grows best in sunny areas with well-draining soil. This herb is drought resistant and doesn’t require frequent watering. If temperatures drop slightly during winter, it won’t damage your fenugreek plants. Germination time for this versatile herb is just three to five days, then a first leaf will appear about a week later.

One caveat on fenugreek — it is aggressive! Plant in containers to avoid a possible takeover of your garden. 


Image credits: encierro via Shutterstock

When it comes to herbs, basil is an incredibly rewarding crop. It has an amazing, unique flavor and germinates within one to two weeks, making it a splendid choice for your outdoor garden.

Plant your basil from February to July for harvest from June to September. To start, you need quality soil and a healthy six to eight hours of sunshine daily. Plant basil seeds in loose, moist, semi-fertile, well-drained soil, about 1/4 of an inch deep. Basil is best grown in a pot and kept indoors until the risk of frost has passed. 


Radish cress
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Cress seeds sprout within three to four days, making them one of the fastest-growing plants around! Cress has a delicious peppery flavor that tastes great in salads, sandwiches, or on its own. You can also use its leaves for garnishes, giving dishes an extra pop of flavor and color.

You only need quality soil, a pot, water, and good drainage to plant cress. If you prefer to grow your cress outdoors, plant it in the winter or fall in warmer climates, and spring in milder climates. You can grow cress all year round indoors


Are you looking for something special to add a splash of color to your garden? Then look no further than these flowers! Not only are they incredibly quick to germinate, but they also offer some truly breathtaking blooms, perfect for sprucing up your garden.


Zinnia orange flower
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Zinnias are ideal for gardeners looking to add color and texture to their outdoor space. These fast-growing seeds germinate within four to seven of sowing and bloom with vibrant hues in just three short months.

These stunning pollinator-friendly flowers have long-lasting blooms that bring energizing pops of color to any corner of your yard throughout the summer.

Plant zinnias in the spring after the last frost has passed. Or, plant fall to spring if you’re in USDA zones 10b and 11a. Those in 11b and higher can sow this flower year-round. Sow seeds about 6 inches apart and ¼-inch deep in rich, well-draining soil. Choose a spot with full sun and watch them take root. You’ll soon have a bright, colorful flower bed full of cheerful blooms.


marigold plants
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Marigolds germinate within five to eight days. This low-maintenance flower grows rapidly into bright and cheerful flowers that bring a joyful pop of color to any landscape. Plus, they attract beneficial pollinators, such as bees and butterflies! 

You can direct seed your marigolds in the spring or midsummer. Start with well-draining soil, as marigolds don’t tolerate wet conditions well. Consider adding compost or sand to increase drainage if your garden is prone to puddles. Aim for a soil pH of between 6.0 and 7.0 and incorporate an all-purpose fertilizer before planting. After that, marigolds won’t need additional fertilizing — they’re low feeders. They will do just fine with the nutrients from your initial application.


A pink cosmos flower
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Cosmos are a fast-growing annual flower that germinates within five to seven days. Their vibrant and cheery petals create a lovely, enchanting atmosphere in any outdoor space. And they also make great companion plants for celery. Direct seed into the soil once all the risk of frost has passed. Cosmos require minimal watering and full sun.

Black-Eyed Susans 

crop of black eyed susan flowers in a garden
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With a bright yellow center surrounded by bright petals in shades of orange, native Black-Eyed Susans make a statement in any garden. These hardy, pollinator-friendly flowers are incredibly tough, tolerant of many soil conditions, and germinate within seven to 14 days. You can seed directly in the soil or container once the soil temperature is around 70 degrees Fahrenheit. 


Sunflower during Daytime
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Sunflowers are some of the fastest-growing seeds available, germinating in five to seven days. They produce vibrant yellow flowers that can brighten up any backyard or balcony.

Sow sunflowers directly in the ground or large pots after the danger of spring frost has passed. Ensure soil temperatures are around 50 degrees Fahrenheit (usually between spring and early summer).

Annual Aster

Annual Aster
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Annual asters are fast-growing plants that thrive in most gardens. They germinate quickly, within seven to 10 days, providing vibrant color and texture to your outdoor oasis. These star-shaped flowers bloom from late summer through fall, creating a stunning display of bright colors throughout the season. Plus, they attract bees and butterflies too!

You can direct sow your aster seeds in the fall or start them indoors in the winter.

Tis’ The Season For Gardening!

Whether you’re a beginner or an experienced gardener, trying new plants is always exciting. So why not add some of these fast-growing seeds to your garden this year? Not only will you be able to enjoy the fruits (or vegetables) of your labor sooner, but you’ll also experience the joy of watching them grow.

Leave a comment below and let everyone know which seeds are your favorites! And don’t forget to share this article with your impatient friends!