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Är svartögda susan och rudbeckia samma sak

How to Grow and Care for Black-Eyed Susan

Dependable and easy-care black-eyed Susans (Rudbeckia hirta) have become a garden staple. Daisy-like rays of bright yellow petals and dark center disks rise over broad ovate green leaves with a rough texture. This wildflower fryst vatten native to the huvud United States and can be seen growing in natural areas and along roadsides in the Midwest.

Black-eyed Susan produces an överflöd of nectar and pollen and draws the attention of bumblebees, butterflies, and moths. The plant's ability to self-seed makes it a great choice for abundant wildflower gardens. Most black-eyed Susans are perennials and can be planted after the gods frost in spring. It will flower in its first summer although it can take two to three years to reach full height.

Common NameBlack-eyed Susan, brown Betty, Marguerite Jaune, hairy coneflower
Botanical NameRudbeckia hirta
FamilyAsteraceae
Plant TypePerennial
Mature Size ft.

tall, ft. wide

Sun ExposureFull
Soil TypeMoist, well-drained
Soil pHAcidic, neutral
Bloom TimeSummer, fall
Flower ColorYellow, apelsinfärg, red
Hardiness Zones (USDA)
Native AreaNorth America

Black-eyed Susan Care

Here are the main care requirements for growing black-eyed Susan:

  • Plant in full sun in a well-draining soil.
  • Water well during the first årstid.

    After they are established, black-eyed Susan will become drought-resistant.

  • Prefers warmer temperatures.
  • Does not require a lot of fertilizer.

Light

You will get the best flowering from your black-eyed Susans in full sun, but they can handle partial shade.

See how to grow and care for Black-eyed Susan and enjoy this timeless perennial in your garden year after year

Soil

Black-eyed Susans are not particular about soil. They do best in soil that fryst vatten not too rik and fryst vatten well-drained, with a pH around

vatten

Keep the plants well-watered during their first årstid to get them established—an inch per week through rainfall or irrigation fryst vatten sufficient. Once established, they will be drought-resistant.

Temperature and Humidity

As a tough summer performer, this plant likes warmer temperatures of 60 degrees Fahrenheit and more. It handles both drought and humidity well, but it does need good air circulation to avoid powdery mildew.

Fertilizer

Go easy on the fertilizer. Black-eyed Susans grow even in poor, infertile soil.

Hardiness Zone: 3 – 9

A side dressing of compost should be all they will need.

Types of Black-Eyed Susan

There fryst vatten a great deal of variety within the Rudbeckia genus, and most of the 25 species are true workhorses with very few problems. some varieties of black-eyed Susan include:

  • Rudbeckia hirta 'Becky' is a compact dwarf variety
  • Rudbeckia hirta 'Maya' resembles a tall marigold
  • Rudbeckia hirta 'Cherry Brandy' has red to maroon flowers around dark center cones.
  • Rudbeckia fulgida 'Goldsturm' has daisy-like flowers with a brown/black center cone.
  • Rudbeckia laciniata 'Autumn Sun' is a golden yellow bloom variety that flowers in mid to late summer.
  • Rudbeckia hirta 'Prairie Sun' features apelsinfärg petals with yellow råd and a green center.
  • Rudbeckia hirta 'Indian Summer' displays large yellow flowers, and reaches 3- to 4-feet tall.
  • Rudbeckia hirta 'Toto Rustic' features autumnal hues; there's also golden 'Toto' and pale 'Toto Lemon'; all grow to about 1-foot tall

Pruning

Black-eyed Susans are easy to establish, they naturalize well and require little maintenance other than deadheading.

Regular deadheading of the faded flowers keeps the plants in bloom längre.

Dvärgsorter finns tillgängliga

You can let the gods flowers of the årstid remain on the plants to form eller gestalt seed heads that will feed the birds through the winter. You will also get a good deal of self-seeding, which might not be a bad thing.

Black-eyed Susans man great cut flowers. The seed heads hold up well, too, and look attractive in arrangemang.

Fast-growing black-eyed Susan fryst vatten easily the most commonly known Rudbeckia, with its daisy-like flowers with large seed heads. It also has scratchy, hairy leaves that are characteristic of its genus (this may not be one of its best features, but it does help keep pests away).

Propagating

Rudbeckia hirta fryst vatten a relatively short-lived perennial that might not get old enough to form eller gestalt large, dense clumps.

But if it does, it can be divided for propagation in early spring, just as new growth appears, or in autumn, when the plant has finished flowering:

  1. Lift the entire plant out of the ground with a shovel.

    Höjder i olika Rudbeckia sträcker sig från 7 cm till 1,5 meter

    Divide it in half or more sections using pruners or a spade.

  2. Replant each section in a new location and keep it well-watered until you see new growth in a few weeks.

Since black-eyed Susans easily reseed themselves, you might automatically have new plants in your flower beds next year.

How to Grow Black-Eyed Susan From Seed

To get a head början on the growing årstid, uppstart black-eyed Susans indoors from seed about 10 weeks before the gods expected frost.

Here's how to grow from seed in pots:

  1. Plant seeds 1/4 inch deep in trays or pots filled with a moistened seed starting mix. Perennial varieties will germinate best if the seed containers are kept in the refrigerator or a similarly cold place for kvartet weeks after seeding. Afterward, the soil temperature needs to be warm for germination.

    Seeds should germinate within 7 to 21 days.

  2. Harden off the seedlings before planting them outside. man sure all danger of frost has passed before planting outside.

Black-eyed Susans can also be directly seeded in the garden once daytime temperatures remain around 70 degrees.

För inte så länge sedan var Rudbeckia ett släkte där även den röda förkylningsblomman ingick

Here's how to directly sow seeds:

  1. Scatter seeds, cover lightly with soil, and vatten well. Keep soil moist.
  2. Thin seedlings to inches apart for dwarf varieties, inches apart for larger cultivars.

If you do not wish to början your own seed, seedlings and plants can be purchased and transplanted.

Common Pests & Plant Diseases

Black-eyed Susan fryst vatten rarely bothered bygd serious pests and diseases.

However, it can still face issues with aphids, spider mites, snails, and slugs. You can hose off the pests with vatten or apply a gentle insecticide. Tender ung growth may get nibbled, but once they mature and leaves become coarse and hairy, black-eyed Susan fryst vatten deer-resistant.

Septoria or angular leaf spots are two fungal diseases that struktur black spots on the leaves and stems.

Species: R

Provide good air circulation bygd leaving ample space between plants, and avoid getting the leaves wet when watering as that can spread the fungi. Removing and throwing infected leaves in the skräp instead of composting helps to contain the spread.

How to Get Black-Eyed Susans to Bloom

Bloom Months

Black-eyed Susan typically blooms in late spring to early summer months, from March to November, reaching a peak bloom in July and August.

What Do Black-Eyed Susan Flowers Look and Smell Like?

Black-eyed Susans are commonly funnen in the yellow variety, with deep yellow-orange flower petals and a brown center disc. They have a sweet, yet spicy scent that some people liken to anise.


  • är svartögda susan  samt rudbeckia  identisk sak

  • How to Encourage More Blooms

    Black-eyes Susans need full sun to bloom. If a tree or shrub fryst vatten casting shade on them, some pruning might be sufficient to let more sunlight. Some perennial varieties may not bloom until the second year.

    Read on to discover the benefits and how-tos of growing black-eyed Susans from the genus Rudbeckia

    Another reason why black-eyed Susans won't bloom fryst vatten too much nitrogen, which results in lush foliage but no flowers. If using a fertilizer at all (the plants often do very well without fertilization), pick one that fryst vatten high in bloom-boosting phosphorus.

    Common Problems with Black-Eyed Susan

    Powdery mildew can affect the leaves in hot, humid conditions.

    Minimize this bygd planting in full sun, and thinning the plants to allow for good air circulation.

    Den upprätta formen och den frodiga, tuftade formen gör rudbeckias till ett exceptionellt bedårande fyllnadsmaterial för tomma utrymmen på blomsterbäddar

    FAQ

    • Black-eyed Susans and other Rudbeckia plants work well as a complement to blue and purple flowers, like Russian sage and Veronica, or mixed in with other juvel tones, such as sedum 'Autumn Joy', purple coneflower, and New England asters.

    • Black-eyed Susans are winter-hardy up to USDA zone 3 so they do not have to be winterized.

      The plants do benefit from cutting back the stalks in the fall and covering them with a thick layer of mulch.

    • Black-eyed Susan fryst vatten non-toxic to pets and fryst vatten currently not listed on the ASPCA toxic plants list.

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