SKU: 76675931000
best time to plant black eyed susan seeds

best time to plant black eyed susan seeds Botanical Interests, Inc

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Description

best time to plant black eyed susan seeds Botanical Interests, IncThe state flower of Maryland has 2" 4" daisy like flowers with orange yellow petals. This beautiful, heirloom rudbeckia blooms over a long period at least 8 weeks; winter seed cones supply food for birds, too. Black Eyed Susan is a short lived perennial (USDA zones 3 7), that may come back for a second or third year, but is often treated as an annual. Great cut flower. North American native wildflower; may re seed itself and is an excellent addition

The state flower of Maryland has 2"-4" daisy-like flowers with orange-yellow petals. This beautiful, heirloom rudbeckia blooms over a long period--at least 8 weeks; winter seed cones supply food for birds, too. Black-Eyed Susan is a short-lived perennial (USDA zones 3-7), that may come back for a second or third year, but is often treated as an annual. Great cut flower. North American native wildflower; may re-seed itself and is an excellent addition to wildflower areas.

Botanical Name: Rudbeckia hirta

Family: Asteraceae

Native: North America prairies

Hardiness: Short-lived perennial in USDA zones 3–7, but usually treated as an annual, because it does not reliably come back year after year. May self-sow.

Plant Dimensions: 24"–36" tall, 12"–24" wide

Variety Information: 2"–4" wide, yellow flowers with a purplish-brown center.

Exposure: Full sun

Bloom Period: Summer to frost

Attributes: Attracts Pollinators, Cut Flower, Deer Resistant

When to Sow Outside: 2 to 4 weeks before your average last frost date, and as late as 2 months before your average first fall frost date.

When to Start Inside: 8 to 10 weeks before your average last frost date. If started inside early enough, may bloom the first year.

Days to Emerge: 10–15 days

Seed Depth: Press into surface

Seed Spacing: A group of 3 seeds every 12"–24"

Thinning: When 1"– 2" tall, thin to 1 every 12"–24"

Harvesting: For longest vase life, harvest flowers in the morning, choosing those that have just unfurled all their petals.

Shop with confidence when you shop at Southern Agriculture. All of our items are in stock and ship from Tulsa, Oklahoma.  If you have any questions you can email us at [email protected]

Would you prefer to shop in-store? We have six locations located in Tulsa, Broken Arrow, and Owasso Oklahoma.

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SKU: 76675931000

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Diana diana
Houston, US
★★★★★ 5
Really works!
Size: 40 Count (Pack of 1), Size: 40 Count (Pack of 1)
I used this product faithfully and it worked!my teeth got brighter, and whiter I wish I could have taken a before and after.
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Reviewed in the United States on June 8, 2026
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Underhill
Belleville, US
★★★★★ 5
Truly see the difference
Size: 40 Count (Pack of 1)
Works amazingly. Definitely worth it.
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Reviewed in the United States on June 9, 2026
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Amazon Customer
Lake Worth, US
★★★★★ 5
The strips work great!
Size: 40 Count (Pack of 1)
It's a great product that works. I left the strips on for 2 hours. And my teeth were so white, I decided not to use the light. I drink 3-4 cups of strong coffee everyday, and they are still really white (after one application over two weeks ago). My gums were a little sensitive after 2 hours, but that only lasted a few hours after usage. Just be aware if you leave on more than 60 minutes. Then brush and rinse really good. I use their "brilliance" tooth paste as well.
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Reviewed in the United States on June 16, 2025
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Ems
Phoenix, US
★★★★★ 4
DOOOO IT (see before & after pics)
Size: 40 Count (Pack of 1), Size: 40 Count (Pack of 1)
My dentist actually recommended this in contrast to the products offered in office! So I had to try. I was especially interested in a whitening system that would not sacrifice effectiveness for gum sensitivity. Not only could I see instant improvement, but I had no gum irritation whatsoever, not even next day. So that's the two big things that exceeded expectation. A few drawbacks though - (1) Instructions were unclear as to how long to leave the light on, & I didn't realize until after mixed Internet recommendations & testing it out blindly that it automatically times out after a few minutes; (2) the product unfortunately outlasts the light's battery life, so I had to find a $16 replacement LED on Ebay, & (3) the adhesive will strip your dental work fyi. Not cool, but still overall beneficial as a whitener & hundreds cheaper than true, professional whitening. BTW this before and after were taken within a month of each other.
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Reviewed in the United States on April 29, 2026
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Draper, US
★★★★★ 5
Amazing transformation!!
Size: 40 Count (Pack of 1), Size: 40 Count (Pack of 1)
I hardly ever write reviews, but this product has transformed my life. And imonly on the forth day. After the first day it removed so much of my yellow stains. I can't even think about how white my teeth will be when I finish. I called my dentist to see how much it would be to whiten my teeth and she said $500. Are you kidding me? So I ended up trying these white strips instead. I'm so happy with the results after only a few days!! The first picture is the start, then after using the strips 1 time, then after using the strips 3 times. I had to come and post a review immediately. The pictures speak for themselves. And not to mention that I usually have sensitive teeth. So far my teeth don't hurt while using. I will definitely use this product every year. Thanks Crest!!
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Reviewed in the United States on April 10, 2026

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