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which month to plant sunflower seeds

which month to plant sunflower seeds Organic Sunflower Seeds — 'Autumn Beauty'

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Description

which month to plant sunflower seeds Organic Sunflower Seeds — 'Autumn Beauty'Overview With stunning blooms from mid summer to early fall, sunflowers bring summer vibes to the garden like no other plant. Flowers come in many colors (yellow, orange, maroon, and more) but they are commonly bright yellow with dark brown centers anywhere from 4 to 12 inches in diameter! These iconic blooms are a beautiful addition to any garden. Sunflowers have two distinct growing habits, depending on the variety: Single stem varieties produce one

Overview

With stunning blooms from mid-summer to early fall, sunflowers bring summer vibes to the garden like no other plant. Flowers come in many colors (yellow, orange, maroon, and more) but they are commonly bright yellow with dark brown centers anywhere from 4 to 12 inches in diameter! These iconic blooms are a beautiful addition to any garden.

Sunflowers have two distinct growing habits, depending on the variety:

Single-stem varieties produce one flower for every seed, though blooms can reach up to 12 inches in diameter. 

Branching varieties produce multiple smaller blooms per plant that branch off of the main stem. 

Conditions

Sunflowers prefer fertile, well-draining soil that’s loose and deep. Ensure it is high in organic matter, as sunflowers feed heavily. Sunflower stems can grow tall, so ideally find a sheltered spot out of danger of heavy winds to limit the risk of weather damage. For optimal blooms and large plants, provide full sun (6+ hours of direct sunlight per day). Note - sunflowers may shade parts of the garden because they are so tall. Plant them in the northernmost section of the garden to prevent them from shading your other plants. 

Planting

Plant sunflowers directly outdoors in the garden after all danger of last frost. Use our grow calendar tool to find specific planting dates for your region! Seeds germinate in 7-14 days.

Plant seeds ½" deep in groups of 3, and space the groups 12-24" apart, depending on the variety. Note - single stem varieties can be planted more closely together, around 6-12". Firm soil lightly, water and keep evenly moist. Thin to one seedling per group when seedlings have two sets of leaves.  

Pests and Disease

Remove plants after they are killed by frost in fall to avoid disease issues the following year.

Harvest

Sunflowers can be left in the garden through blooming or cut for flower arrangements shortly after bloom. To harvest the seeds, cut the heads off after the stalks are quite dry and flower heads begin to turn yellow and droop. Cut flower-heads with a foot of the stalk attached. Hang heads in a warm, dry, well-ventilated place so the seeds may fully ripen and dry. 

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SKU: 18080177222

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Amazon Customer
Houston, US
★★★★★ 5
customer
Size: 1-Pack, Style: Zinnia Dahlia
This package had more than the pkg that was supposed to have 4000, but they are coming up slowly. It is dry here, I have been watering , just enough to get the ground wet and they are scattered, but some are coming up. I also watered the space supposedly where i spread seeds from the supposedly 4000 seeds pkg. They are not coming up as much!
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Reviewed in the United States on May 17, 2026
J
Verified Purchase
josh
Natrona Heights, US
★★★★★ 4
Didn’t get a review on the garlic powder
Size: 1-Pack, Style: Zinnia Dahlia
The seeds were okay but the garlic powder that I ordered was smaller than usual is a case of bait and switch
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
D
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Dawn Abbott
Carnegie, US
★★★★★ 5
My favorite flower to grow!
Size: 1-Pack, Style: Zinnia Dahlia
I love my zinnia flowers!!! I had nearly 100% of these seeds sprout right up!!! (I plant a lot of seeds, and that's not very common)! I can't wait for these beauties to grow, so far they're looking healthy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
P
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pjenn
Louisville, US
★★★★★ 5
I planted the seeds, and flowers bloomed!
Size: 1-Pack, Style: Zinnia Dahlia, Size: 1-Pack, Style: Zinnia Dahlia
They came up and grew! Flowered bright pink color.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
T
Verified Purchase
Tenwinkel
Pawtucket, US
★★★★★ 5
Will Buy Again
Size: 1-Pack, Style: Zinnia Dahlia
We planted these for Mother's Day in my 4K classroom. They grew increadibly fast, hardy, and were beautiful when sent home with the children.
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Reviewed in the United States on May 14, 2026

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