Are black eyed susans perennials? If you’ve ever asked yourself this question, read on to discover the secrets of these beautiful flowers. Black-eyed Susans or Rudbeckia fulgida, can be either biennial or short-lived perennial flowers, depending on the hardiness zone.

Additionally, there are several species and varieties of black eyed Susans from annuals to perennials. Of course, there are several brand new plants in the black-eyed Susan family – for example, the Black-Eyed Susan Vine.

No matter what type of black-eyed Susan you’re looking for, you’ll find that each variety has something to offer over the growing season. For example, one of the most popular varieties is Goldsturm which is a perennial flower that thrives in the U.S. and Canada.

This stunning black-eyed Susan has bright yellow and orange petals that attract butterflies and other pollinators. Other perennial varieties are popular as well and include species like ‘Cherry Brandy’ and ‘Becky Mix’. Annual varieties include ‘Irish Eyes’ and ‘Velvet Lace’, both of which make great additions to any garden.

Each variety of black-eyed Susan carries unique traits and characteristics that set them apart from the rest. From their stunning colors to their hardy nature, these flowers make a wonderful addition to any garden or landscape. To learn more about these beautiful flowers and their various varieties, read on!

Are Black Eyed Susans Perennials?

Black-Eyed Susan Plant Features

The Black-Eyed Susan (Rudbeckia hirta) is a flower that is native to North America. It is a member of the Aster family and is closely related to the Sunflower.

The plant grows to be about 2-3 feet tall and has a basal rosette of leaves. The leaves are hairy and have a toothed margin.

The stem is also hairy and bears one or more flower heads. Each flower head has about 10-15 yellow ray florets and a dark brown or black central disk.

The Black-Eyed Susan blooms from July to September and is a popular flower for gardens and wildflower meadows.

The black-eyed Susan plant is a hardy plant that can tolerate a wide range of growing conditions.

Black Eyed Susan Companion Plants

Black-eyed Susans (Rudbeckia hirta) are beautiful and popular flowers that are often used in gardens and landscaping.

They are easy to grow and care for, and they have a wide range of companion plants that can help them thrive.

Some good companion plants for black-eyed Susans include annuals such as cosmos (Cosmos bipinnatus), zinnias (Zinnia elegans), and marigolds (Tagetes erecta).

These plants will provide color and interest in the garden, and they can also help to deter pests from the black-eyed Susans.

Other good companion plants include herbs such as basil (Ocimum basilicum), oregano (Origanum vulgare), sage (Salvia officinalis), and thyme (Thymus vulgaris).

Each of these herbs has unique flavors and benefits that make them ideal companions in the garden or on the plate.

Black-Eyed Susan Sun or Shade

Black-Eyed Susans are one of the most versatile flowers. They can grow in sun or shade, making them perfect for any garden.

With bright yellow petals and a black center, they are sure to add a pop of color to any space.

Black-Eyed Susans are also low maintenance, only needing to be watered once a week.

So whether you are a beginner gardener or an experienced one, these flowers are perfect for you!

The Process to Grow Black-Eyed Susan In Pots

To grow black-eyed Susan in pots, you will need to start with a quality potting mix and a container that is at least 12 inches in diameter.

When selecting a pot for your plant, be sure to choose one with good drainage. If the pot does not have drainage holes, you can add them yourself. Without good drainage, the plant will die of root rot.

Preparing pots and starting black-eyed Susan seeds. You need to fill the pot with moist potting soil, up to 1″ below the rim (2.5 cm).

Gravel is not necessary for the bottom of the pot unless you think your pot will not be heavy enough to support the plant.

Do not cover the seeds, as they need light to germinate. Place the pot in a warm location and keep the soil moist.

The seeds will germinate in 10-21 days. Once the seedlings emerge, thin them to one per pot and place them in a sunny location.

They prefer full sun but will tolerate some shade. The plants will need to be watered regularly, especially during hot weather.

Fertilize the plants monthly with a general-purpose fertilizer. To encourage flowering, deadhead the flowers as they fade. Black-eyed Susans will bloom from late spring until fall.

Black-Eyed Susan Water Requirements

Black-eyed Susans need 1 to 1.5 inches of water per week. The best time to water them is in the morning so the leaves have time to dry before nightfall. Overwatering can lead to fungal diseases.

 

Black Eyed Susans FAQ

Are black eyed susans deer resistant?
Black eyed susans are deer resistant and will not be eaten by deer unless there is no other food available.

Do black-eyed susans come back every year?
Yes, black-eyed susans come back every year. They are a hardy plant and will reseed themselves if given the opportunity.

If you want to ensure that you have black eyed susans in your garden for years to come, you can deadhead them and then save the seeds to plant in the spring.

Are climbing black eyed susans perennials?
Yes, climbing black eyed susans are perennials. They are a fast-growing, sun-loving vine that produces beautiful yellow flowers with brown centers.

The flowers bloom from early summer to fall and the vines can reach up to 20 feet in length.

Climbing black eyed susans are a great addition to any garden and make a beautiful covering for fences, trellises, and arbors.

Are black eyed susans hardy?
Yes, black eyed susans (Rudbeckia hirta) are quite hardy. They are annuals that self-seed readily, so you’ll often see them growing in the same spot year after year.

They are tolerant of a wide range of growing conditions, from full sun to partial shade, and they will even grow in poor, dry soil. Black eyed susans are also relatively resistant to deer and rabbits.

Do black eyed susans multiply?
If you want your black-eyed susans to multiply, you have to start with a little planning.

You’ll need to decide on the size of the area you want to cover and make sure you have enough space for everything.

Once you’ve done that, it’s time to start planting. Black-eyed susans need full sun and well-drained soil, so make sure you plant them in an area that meets those requirements.

They also prefer neutral to slightly acidic soil, so if your soil is alkaline, you may need to amend it.

Once you’ve done all that, you can sit back and enjoy watching your black-eyed susans multiply!

Do black eyed susans spread?
Yes, black eyed susans spread quite easily. They are able to spread through rhizomes, which are underground stems that allow the plant to spread horizontally.

They can also spread through seed dispersal, which is when the seeds are carried away from the parent plant by animals or wind.

Black eyed susans are a very hardy plant, so they can spread in many different ways and adapt to many different environments.

When to plant black eyed susans?
When to plant black-eyed susans depends on the climate and region. In general, it is best to plant them in the spring or fall. In warmer climates, they can be planted in the winter.

Black-eyed susans are native to North America and thrive in a variety of soil types. They prefer full sun but will tolerate some shade.

Do you cut back black-eyed Susans for winter?

Yes, you can cut back black-eyed Susans for winter. Black-eyed Susans are a herbaceous perennial plant meaning they will die back in winter and regrow in the spring. In order to keep your plants healthy, it is best to cut them back in late fall or early winter.

This will help make sure your plant looks its best when it begins to grow again in spring. To cut back the plants, use sharp scissors or pruners to trim the stems of the Black-eyed Susan down to about 2-3 inches above the ground.

This will allow the plant to regrow and flourish in the spring. Be sure to discard any trimmings or debris from the garden to help prevent the spread of disease or pests.

Do black-eyed Susans reseed themselves?

Yes, black-eyed Susans will reseed themselves if the conditions are right. They need full sun and good drainage in order to successfully reseed.

How long do black-eyed Susans last?

Black-eyed Susans, also known as Rudbeckia hirta, are a genus of flowering plants native to North America. These hardy perennials typically bloom from late summer to early fall and last until the first hard frost of winter. Depending on the region and weather conditions, Black-eyed Susans may last anywhere from two to four months.

However, when grown in warm climates, these flowers may even bloom year-round. Although these plants are relatively low-maintenance, frequent deadheading of spent blooms will encourage additional flowering for a longer blooming season.