Perennial Silphium Cup Plant Flower Seeds - 400 Seeds for Planting | Outsidepride | Attracts Pollinators & Enhances Garden Beauty

Product Description

Been Around Awhile This Silphium plant is a native of the tall grass prairie. Silphium (Silphium Perfoliatum) This towering, flowering plant readily establishes from Silphium seeds. It is commonly known as Cup Plant and is a perennial giant which has yellow daisy-like flowers. The flowers measure 3 - 4 inches across and attract both bees and birds. The name of this Cup Plant comes from the large leaves that are on opposite sides of the stem and are fused together at their base. This base forms a cup that collects water from the morning dew. Birds and insects seek out the collected water. The Silphium Cup Plant prefers sunny settings and moist loamy soil. The root system consists of a long central tap root and many shallow rhizomes. The rhizomes help to spread the plant. The Silphium Perfoliatum Cup Plant will often form substantial colonies due to the spreading ability. Silphium (Silphium Perfoliatum) This towering, flowering plant readily establishes from Silphium seeds. It is commonly known as Cup Plant and is a perennial giant which has yellow daisy-like flowers. The flowers measure 3 - 4 inches across and attract both bees and birds. The name of this Cup Plant comes from the large leaves that are on opposite sides of the stem and are fused together at their base. This base forms a cup that collects water from the morning dew. Birds and insects seek out the collected water. The Silphium Cup Plant prefers sunny settings and moist loamy soil. The root system consists of a long central tap root and many shallow rhizomes. The rhizomes help to spread the plant. The Silphium Perfoliatum Cup Plant will often form substantial colonies due to the spreading ability. Silphium (Silphium Perfoliatum) This towering, flowering plant readily establishes from Silphium seeds. It is commonly known as Cup Plant and is a perennial giant which has yellow daisy-like flowers. The flowers measure 3 - 4 inches across and attract both bees and birds. The name of this Cup Plant comes from the large leaves that are on opposite sides of the stem and are fused together at their base. This base forms a cup that collects water from the morning dew. Birds and insects seek out the collected water. The Silphium Cup Plant prefers sunny settings and moist loamy soil. The root system consists of a long central tap root and many shallow rhizomes. The rhizomes help to spread the plant. The Silphium Perfoliatum Cup Plant will often form substantial colonies due to the spreading ability. Silphium Seeds | Cup Plant How to Grow Sow Silphium Perfoliatum seeds directly outdoors in late fall or early winter. These particular flower seeds do well with a cold, dormant planting as the cold temperatures actually help break the flower seed of its dormancy. Once spring arrives and temperatures warm, the Cup Plant seeds will germinate quickly. Prepare the outdoor soil by removing weeds and loosening. Silphium Cup Plant seed can be raked into loosened soil and covered 1/8 - 1/4 inch. Approximately 2,000 seeds per ounce. Flower Specifications Sowing Rate: 1 ounce per 250 square feet Depth: 1/8 - 1/4 inch Moisture: Keep seeds moist until germination Average Germ Time: 21 - 28 days after cold period Plant Spacing: 15 - 18 inches Height: 40 - 90 inches USDA Zones: 4 - 9 Season: Perennial