Customer Service Hours
Mon-Fri 8-4 MST
Features
Family
Asteraceae
Native
North America
Life Cycle
Annual
Plant Height
Tall (Greater than 24")
Flower Color
Red
Bloom Season
Summer to frost
Further Information
Plant Characteristics
- Attracts Pollinators
- Cut Flower
Growing Conditions
- Drought Tolerant
- Heat Tolerant
About Shock-O-Lat Sunflower Seeds
Helianthus annuus (hybrid)
6" flowers are bronze-red with yellow tips and a dark brown center. Flowers will be smaller if plants are close together.
Planting Sunflower
Plant Spacing
A group of 3 seeds every 18"–24"
Light Required
Full sun
Plant Height
Tall (Greater than 24")
Planting Depth
¼"–½"
Planting Details
| Seed Depth | ¼"–½" |
|---|---|
| Seed Spacing | A group of 3 seeds every 18"–24" |
| Thinning | When 3" tall, thin to 1 every 18"–24" |
| Germination | 10–15 days |
| Start Indoors | 2 to 4 weeks before your average last frost date. Sunflowers are senstive to root disturbance; sow in biodegradable pots that can be planted directly in the ground. |
| Direct Sow | RECOMMENDED. 1 to 2 weeks after your average last frost date. |
Find Your Frost Date & Grow Zone
Average First Frost Date
October 19
Average Last Frost Date
May 19
Your Hardiness Zone is
5b
Send Your Recommendation
Total 5 star reviews: 16 Total 4 star reviews: 0 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 2
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Rating
Which best describes you as a gardener?
19 reviews
- Maricel C.Verified BuyerRated 5 out of 5 stars5/11/26Multiple cut flowers
All the seeds sprouted and grew healthy and strong. This is a multi branch variety that produces many beautiful cut flowers.
Which best describes you as a gardener? BeginnerBIBotanical Interests5/12/26Hey Maricel,
We're thrilled to hear that all your Shock-O-Lat Sunflower Seeds sprouted and grew healthy and strong! Your photos are gorgeous! There's nothing quite like having an abundance of homegrown sunflowers to brighten up your space! Thanks for sharing your fantastic sunflower growing success with us! Keep on growing 🌻️
- AdamRated 5 out of 5 stars3/27/265 Stars
Excellent! Thank you.
- AdamRated 5 out of 5 stars3/27/265 Stars
Excellent! Thank you.
- Mike S.Rated 5 out of 5 stars9/21/245 Stars
Grew these in a pot and fertilized heavy with a balanced slow-release fertilizer. Great results. I get compliments from all the neighbors !
Which best describes you as a gardener? Intermediate - Ginger B.Verified BuyerRated 1 out of 5 stars8/20/241 Star
All the shock-o-lat sunflowers that germinated grew very short and put out a very small wilted bloom on top of a very thin stem only about 6-8” tall
Which best describes you as a gardener? Expert