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Yellow Horned Poppy (Glaucium flavum)
FlowerBiennialEasy

Yellow Horned Poppy

Glaucium flavum

Family: Papaveraceae

Yellow Horned Poppy grows in full sun and prefers sandy coastal soil. Water needs: Low.

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
One plant · one ecosystem

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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.