
Yellow Horned Poppy
Glaucium flavum
Family: Papaveraceae
Yellow Horned Poppy grows in full sun and prefers sandy coastal soil. Water needs: Low.
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Plant reference images showing growth stages and identifying features.
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How to Grow Yellow Horned Poppy
Yellow Horned Poppy growing information includes sunlight requirements of Full sun, soil conditions listed as Sandy coastal soil with a soil pH of 6.5-8.0, and Low water needs. The listed hardiness zones are 6-10. For propagation reference, the database lists germination or establishment information for Yellow Horned Poppy as 10-21 days, with planting or establishment depth listed as 1/8 inch. Days to maturity are listed as 90-120 days.
Plant Overview
Yellow Horned Poppy (Glaucium flavum) is listed in the Papaveraceae family and categorized as a flower with a biennial life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Easy.
- Plant ID
- PLT-3491
- Family
- Papaveraceae
- Plant type
- Flower
- Life cycle
- Biennial
- Difficulty
- Easy
Growing Conditions
Yellow Horned Poppy is listed for full sun conditions. Water needs are listed as low. The database soil reference is Sandy coastal soil. The listed soil pH range is 6.5-8.0, and the listed hardiness range is 6-10.
- Hardiness zones
- 6-10
- Sunlight
- Full sun
- Soil
- Sandy coastal soil
- Soil pH
- 6.5-8.0
- Water needs
- Low
Seed & Germination
For seed starting, the listed germination time is 10-21 days and the seed depth is 1/8 inch. The listed time to maturity is 90-120 days. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 10-21 days
- Seed depth
- 1/8 inch
Harvest & Propagation
- Days to maturity
- 90-120 days
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.




