What Is the Fastest Growing Plant for Gardening?

Gardening is an enjoyable hobby that has the added benefit of providing us with fresh produce and creating beautiful landscapes – but what are the fastest-growing plants? With all the fantastic benefits of gardening, one thing that can often be overlooked is choosing the right plants for your garden to ensure you get great results with minimal effort.

If you’re looking for something that will take off quickly and become a real showstopper in no time, look no further than these fastest-growing plant:

  • Radishes
  • Lettuce
  • Spinach
  • Cucumbers
  • Marigolds
  • Zinnias
  • Sunflower
  • Clematis
  • Spider Plant
  • Cosmos
  • Peace Lily
  • Philodendron

In this blog post, we’ll explore why these plants are best suited for those who want their gardens to reach peak beauty faster. Read on to learn how picking the right plants can make a huge difference in achieving gardening success.

Fastest Growing Vegetables

Vegetables are nutritious and delicious and some of the fastest-growing plants you can grow in your garden. Whether you want to start a vegetable patch from scratch or add some variety to your existing one, here are some of the fastest-growing vegetables that will give you a quick harvest.

1. Radishes

Growing radishes is a quick and easy process. These plants are known to snowball and require minimal effort. If you’d like to try and increase your vegetables, radishes are excellent fast-growing vegetables.

They can mature in as little as 6 to 8 weeks from planting to harvest, and they come in different shapes and colors, such as French breakfast and Easter baskets. They are also compact, which is ideal for smaller gardens or containers.

2. Lettuce

If given the right conditions, lettuce can grow incredibly fast. Depending on the season and variety, most varieties can be harvested in as little as 8-12 weeks from sowing. As for the Bibb Lettuce, you can gather it as soon as it starts to cup or form heads. 

Lettuce comes in many different varieties, such as butterhead, romaine, and oak leaf, and they can be grown in both the ground and containers. They prefer 60 to 65°F, so pick the suitable variety for your climate.


You can think of spinach as a super speedy vegetable, and it’s great for getting a harvest quickly. Spinach is best planted in spring or late summer, depending on your climate.

The leaves will be ready for harvesting after approximately 1 to 2 weeks, and with proper maintenance, they can have multiple harvests. This makes it an excellent option for busy gardeners, as you can enjoy various harvests even if you don’t have much time to devote to gardening. 

Spinach can be a great addition to any garden, whether in the sun or the shade. Its vibrant green leaves add a beautiful touch, and its fast growth means you’ll enjoy it sooner than other vegetables. 


These refreshing and crunchy fruits are a summer staple; fortunately, they are one of the fastest-growing plants. They can take 50 to 70 days after planting until you can harvest them. 

They come in different sizes and shapes, but all types increase during summer. Cucumbers are vine plants that need much space and support to grow, so you should use a trellis or a fence to train them. They also need plenty of water and sun to thrive. 

VegetableTime to Harvest
Radishes6-8 weeks
Lettuce8-12 weeks
Spinach1-2 weeks
Cucumbers50-70 days

Fastest Growing Flowers

If you want to add color and life to your garden, some flowers will grow quickly and easily. Whether you want to attract pollinators, create a colorful display, or cut some fresh bouquets, here are some of the fastest-growing flowers to brighten your garden.


These cheerful blooms are among the most popular annual/perennial flowers; they grow quickly and come in various bright colors, such as yellow, orange, and red. 

Their bright flowers can add an instant pop of color to any garden and are perfect for mass planting, edging, borders, cut flowers, and container plantings. Most varieties will bloom from early summer until late fall, so that you can enjoy these cheerful blooms all season long.

With well-drained loamy soil and bright sun, you will surely get abundant marigold blooms all season. Ensure to amend the soil according to a test before planting for best results.


Apart from being easy to grow, zinnias are extremely fast-growing flowers. They come in nearly all colors and sometimes a combination of colors, with vibrant foliage varying shades of green. 

You must provide these plants with full sun for 8+ hours daily, as they perform best in warm locations. The soil must be well-drained, and if necessary, you can incorporate compost or sand into heavy soils to improve drainage. Zinnias prefer soils with a pH of 5.5-7.5, so you should get a soil test before planting. 

Once planted, you can expect to start seeing flowers in no time. They will continue blooming for the rest of the season and are excellent cut flowers for bouquets or centerpieces. 


Who doesn’t love the sight of sunflowers in a garden? As their name implies, these large and bright flowers need lots of sunshine to grow and bloom quickly. 

Sunflower plants proliferate in the first 50 days after planting and can reach 6 feet or more. They come in different sizes, shapes, and colors, from deep yellow to almost red. 

They thrive best in well-draining soil and full sun during the day. Once they’re planted, you must ensure they get plenty of water until they start growing. 

It’s worth noting that sunflowers attract birds, bees and other wildlife, which can be a welcome addition to any garden. 


Clematis is one of the most beautiful and fragrant flowers for your garden. These fast-growing plants are an excellent choice for creating a beautiful retreat in your garden. 

They will give you an almost instant display of long-flowering blooms from spring to autumn and can come in different colors, such as blue, purple, pink, white, yellow or red. Not only that, but the flowers also have a fantastic scent that wafts through your garden. 

Clematis like moist, well-drained fertile soil with a neutral pH. You can also fertilize them monthly during their growing season to ensure they don’t dry out and have enough nutrients for plentiful blooms. With a bit of TLC, you can enjoy the beauty of clematis year after year. 

Fastest Growing Houseplants

For those of us who are time-poor, houseplants are a great way to get your green fix without having to spend too much on gardening. Some houseplants can be notoriously slow growing and difficult to care for, but these fast-growing options will give you greenery quickly. 

1.Spider Plant

The spider plant is a favored indoor plant because of its resilience and rapid growth. It is also one of the easiest houseplants to care for, therefore suitable for beginners. 

This plant requires bright, indirect light and does well in a room with temperatures of 70 to 90°F. It needs regular watering, but do not over-water it and allow the soil to dry slightly between thorough waterings.

It multiplies from small clumps of shoots which can be divided as plantlets and replanted for more spider plants. They’re also perfect for purifying the air in your home, as they absorb carbon dioxide and release oxygen. 


Cosmos plants are also popular among gardening enthusiasts due to their beautiful colors and long flowering season. They’re an excellent choice for those who want to add color to their garden quickly and easily. 

For optimal growth, these plants require an ample amount of sunlight and soil that is well-drained., with lighter and poorer soils producing the best results. Taller varieties will need some support, especially in exposed spots. You should also make sure to deadhead regularly to encourage repeat flowering and maximize your blooms. 

Containers are an excellent option for dwarf cosmos, so you can quickly move your plants around to get the best light and soil conditions for optimum growth. 

3.Peace Lily

Peace lilies are stunning houseplants with their radiant white flowers. They’re relatively easy to care for and thrive in low light conditions, making them the perfect choice for darker corners of your home or office. 

These plants need medium levels of indirect light and slightly moist soil during the growing season (spring and summer). The peace lily needs less water in the winter, so keep an eye on the soil and back of the watering until it’s time for them to start growing again. 

The peace lily can also help purify air quality, removing many pollutants from the air. So, you will be bringing beauty into your home or office with this houseplant and improving the air quality. 


The philodendron is an excellent choice for those who like to add greenery to their home without much effort. It’s hardy, fast-growing and almost indestructible, as it can tolerate low light conditions and lack of water. 

These plants prefer bright indirect sunlight, and the soil is moist but not soggy. It’s also important to note that philodendrons are toxic if ingested, so it’s best to keep them out of reach of children and pets.

Although the philodendron is a fast-growing houseplant, you can speed up its growth by regularly fertilizing it during its growing season (spring and summer). This will help the plant produce more foliage and look its best. 

Are You Ready to Fold the Sleeves?

From the low-maintenance houseplants to the showier garden flowers, now you know which plants will help you get quick results without too much effort. So what are you waiting for? Get ready to fold up your sleeves and start planting! 

The correct information about the fastest-growing plants can be even more rewarding. Once you decide on your ideal plants for your particular garden setup and growing season, there’s no limit to what you can create. 

Feel free to experiment with new varieties of fast-growing plants and mix up different foliage textures or color combinations. You can bring beauty and life into any outdoor setting with diligence, enthusiasm and creativity.

Elisham Mwela

Elisham Mwela is a copywriter and digital marketer with progressive experience. He works hard to make sure his clients are well-informed, educated, and satisfied with the end product. He also has an extensive knowledge of SEO (Surfer-SEO expert), which allows him to help businesses rank higher on Google searches for their products or services. When he’s not writing, he is cycling, drawing, or singing and reading the Bible.

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