Where to Buy Cosmos Plants: A Guide to the Best Online Retailers

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Cosmos: The Flower of Summer

With their delicate petals and cheerful colors, cosmos are the quintessential flowers of summer. They’re easy to grow, and they’ll bloom all season long. If you’re looking for a beautiful and low-maintenance addition to your garden, cosmos are a great option.

In this article, we’ll discuss where to buy cosmos plants, how to grow them, and how to care for them. We’ll also provide some tips on how to use cosmos in your garden design. So whether you’re a gardening novice or a seasoned pro, read on for all the information you need to know about growing cosmos.

Where To Buy Cosmos Plants?

| Name | Website | Price |
|—|—|—|
| Burpee | [https://www.burpee.com/flowers/cosmos/cosmos-bipinnatus-hybrids-p10598.html](https://www.burpee.com/flowers/cosmos/cosmos-bipinnatus-hybrids-p10598.html) | $2.99 |
| Home Depot | [https://www.homedepot.com/p/Burpee-Cosmos-Bipinnatus-Hybrids-Seeds-1-ct-10598/204773191](https://www.homedepot.com/p/Burpee-Cosmos-Bipinnatus-Hybrids-Seeds-1-ct-10598/204773191) | $3.48 |
| Lowe’s | [https://www.lowes.com/pd/Burpee-Cosmos-Bipinnatus-Hybrids-Seeds-1-ct-10598/1000188127](https://www.lowes.com/pd/Burpee-Cosmos-Bipinnatus-Hybrids-Seeds-1-ct-10598/1000188127) | $3.28 |

Cosmos are a genus of flowering plants in the aster family, Asteraceae. They are native to the Americas, from Canada to Argentina. Cosmos are annual, perennial, or biannual plants, depending on the species. They have showy flowers that range in color from white to pink to purple. Cosmos are easy to grow and make beautiful additions to gardens.

Types of Cosmos Plants

There are three main types of cosmos plants: annual, perennial, and biannual.

  • Annual cosmos are the most common type of cosmos plant. They grow from seed to maturity in one year. Annual cosmos are typically grown as annuals, but they can be overwintered indoors in warm climates.
  • Perennial cosmos are long-lived plants that can live for several years. Perennial cosmos are typically grown in zones 5-9.
  • Biannual cosmos are plants that take two years to complete their life cycle. Biannual cosmos are typically grown as annuals, but they can be overwintered indoors in warm climates.

Where to Buy Cosmos Plants

Cosmos plants are available for purchase at a variety of retailers, including online retailers, garden centers, nurseries, and farmers markets.

  • Online retailers offer a wide variety of cosmos plants, including both common and rare varieties. Online retailers typically ship plants directly to your home.
  • Garden centers typically carry a limited selection of cosmos plants. Garden centers are a good option for finding cosmos plants that are adapted to your local climate.
  • Nurseries offer a wide variety of cosmos plants, including both common and rare varieties. Nurseries are a good option for finding cosmos plants that are not available at other retailers.
  • Farmers markets may carry cosmos plants during the summer months. Farmers markets are a good option for finding locally grown cosmos plants.

How to Care for Cosmos Plants

Cosmos plants are easy to care for and make beautiful additions to gardens. Here are a few tips for caring for cosmos plants:

  • Cosmos plants prefer full sun, but they can tolerate partial shade.
  • Cosmos plants are drought-tolerant, but they will produce more flowers if they are watered regularly.
  • Cosmos plants do not require a lot of fertilizer. A light application of fertilizer once or twice a year is usually sufficient.
  • Cosmos plants are susceptible to a variety of pests and diseases, including aphids, spider mites, and powdery mildew. To prevent pests and diseases, it is important to practice good garden hygiene and to remove any infected plants from your garden.

Cosmos are beautiful and easy-to-care-for plants that make great additions to gardens. With a wide variety of colors and types to choose from, there is sure to be a cosmos plant that is perfect for your garden.

3. How to Care for Cosmos Plants

Cosmos plants are relatively easy to care for, but there are a few things you can do to ensure that they thrive.

  • Watering: Cosmos plants need regular watering, but they should not be overwatered. Allow the soil to dry out slightly between waterings.
  • Fertilizing: Cosmos plants benefit from a light fertilizer application every few weeks. Use a fertilizer that is high in phosphorus and potassium.
  • Pruning: Cosmos plants can be pruned to keep them bushy and to encourage new growth. Prune the plants back by about one-third after they have finished flowering.
  • Pest Control: Cosmos plants are not usually bothered by pests, but they can sometimes be affected by aphids, caterpillars, and spider mites. If you notice any pests on your plants, treat them with an insecticidal soap or neem oil.

4. Growing Cosmos Plants from Seed

Cosmos plants are easy to grow from seed. You can start seeds indoors or outdoors.

  • Starting Seeds Indoors: To start seeds indoors, sow them in a seed starting mix about 6 weeks before the last frost date. Cover the seeds lightly with soil and water them well. The seeds will germinate in about 2 weeks. When the seedlings are about 2 inches tall, transplant them into individual pots.
  • Starting Seeds Outdoors: To start seeds outdoors, sow them directly in the garden after the last frost date. Space the seeds about 12 inches apart. The seeds will germinate in about 2 weeks.

Once the seedlings have emerged, thin them to about 6 inches apart. Cosmos plants do not require much care, but they benefit from regular watering and fertilizing. Cosmos plants will bloom from midsummer to fall.

Cosmos plants are beautiful and easy-to-grow flowers that can add a touch of color to any garden. With their bright blooms and delicate petals, cosmos plants are sure to brighten your day.

Where can I buy cosmos plants?

There are a few different places where you can buy cosmos plants. You can find them at most garden centers, online retailers, and even some grocery stores.

What are the different types of cosmos plants?

There are over 20 different species of cosmos plants, each with its own unique characteristics. Some of the most popular types of cosmos plants include:

  • Cosmos bipinnatus, also known as Mexican aster, is a tall, upright plant with feathery leaves and clusters of pink, white, or purple flowers.
  • Cosmos sulphureus, also known as yellow cosmos, is a shorter, bushier plant with bright yellow flowers.
  • Cosmos atrosanguineus, also known as chocolate cosmos, is a unique variety with deep purple-brown flowers.

**When is the best time to plant cosmos plants?

Cosmos plants can be planted in the spring or early summer. They prefer full sun and well-drained soil.

**How do I care for cosmos plants?

Cosmos plants are relatively easy to care for. They need regular watering, but they are drought-tolerant. They also benefit from a little fertilizer every few weeks.

**How long do cosmos plants last?

Cosmos plants typically bloom from late spring to early fall. They can be grown as annuals or perennials, depending on the climate.

**How do I harvest cosmos flowers?

Cosmos flowers are best harvested when they are fully open. To harvest, simply cut the stem just below the flower.

**How do I use cosmos flowers?

Cosmos flowers can be used in a variety of ways. They can be added to fresh salads, used as a garnish on desserts, or dried and used in potpourris.

**What are some common problems with cosmos plants?

The most common problems with cosmos plants include:

  • Aphids – Aphids are small, sap-sucking insects that can damage cosmos plants. They can be controlled with insecticidal soap or neem oil.
  • Powdery mildew – Powdery mildew is a fungal disease that can cause white, powdery patches on the leaves of cosmos plants. It can be controlled with a fungicide.
  • Damping off – Damping off is a fungal disease that can cause young cosmos plants to wilt and die. It can be prevented by planting cosmos plants in well-drained soil and avoiding overwatering.

**How can I prevent problems with cosmos plants?

You can prevent problems with cosmos plants by:

  • Planting cosmos plants in full sun and well-drained soil.
  • Watering cosmos plants regularly, but not overwatering them.
  • Inspecting cosmos plants for pests and diseases regularly and treating them as needed.

    Cosmos plants are a beautiful and easy-to-grow addition to any garden. They come in a variety of colors and sizes, and they are relatively low-maintenance. If you are looking for cosmos plants, there are a few different places you can buy them. You can find them at most garden centers, online retailers, and even some grocery stores. When choosing cosmos plants, it is important to consider the climate in your area and the amount of sunlight the plants will receive. Cosmos plants do best in full sun, but they can tolerate some shade. They are also relatively drought-tolerant, but they will perform best if they are watered regularly. Cosmos plants are a great way to add color and beauty to your garden. They are easy to grow and care for, and they make a wonderful addition to any landscape.

Author Profile

Arthur Cook
Arthur Cook
Meet Arthur Cook, the heart and soul behind Plant4Harvest.com. Arthur’s story is deeply rooted in the rich soil of a small American town, where the horizon is wide, and the values of hard work and connection to the land run deep. Born and raised in the quaint town of Elkmont, Alabama, Arthur’s journey in agriculture began in the sprawling fields of his family’s farm, a stone’s throw away from the Tennessee border.

Arthur’s thirst for agricultural knowledge led him to Auburn University, where he majored in Agricultural Science. During his college years, Arthur dedicated his summers to working on local farms, gaining practical experience in modern farming techniques. His academic and real-world experiences combined to give him a unique perspective on the challenges and opportunities in American agriculture.

Arthur Cook is more than just a farmer; he is an advocate for sustainable agriculture and a mentor to the next generation of farmers. Through Plant4Harvest.com, he continues to inspire, educate, and engage with a community of individuals who share his love for the land and commitment to preserving it for future generations.