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Product Description
Periwinkle Flower Seeds – Seasonal Bloomer, Heirloom & GMO Free Seeds for Home Garden
Brighten your garden with the charming blooms of Periwinkle Flower seeds. This heirloom variety produces colorful flowers throughout its blooming season, making it perfect for borders, containers, and cottage gardens. GMO-free and easy to grow, Periwinkle Flowers are ideal for gardeners seeking low-maintenance, long-lasting plants that attract pollinators and enhance the beauty of any home garden.
Features & Specifications:
Variety: Periwinkle
Type: Heirloom, Non-GMO
Blooming Season: Spring to early summer
Height: 6–12 inches (15–30 cm)
Sun Requirements: Full sun to partial shade
Soil: Well-drained, fertile soil
Planting & Sowing Instructions:
Sowing Time: Sow seeds indoors 6–8 weeks before the last frost or directly outdoors after frost passes.
Depth: Sow seeds lightly 1/8 inch (0.3 cm) deep in seed-starting mix or garden soil.
Spacing: Thin seedlings to 6–12 inches (15–30 cm) apart for optimal growth.
Watering: Keep soil evenly moist until seedlings establish; avoid overwatering.
Care: Provide full sun to partial shade. Remove spent flowers to encourage continuous blooms and maintain plant vigor.

Life Cycle
Annual flowering plant
Planting Season
Spring to summer
Growth Habit
Compact spreading growth
Flavor Profile
No edible flavor
Plant Characteristics
Bright five petal blooms
Use
Seasonal bedding plant
Growing Conditions
Warm sunny climate
Harvest Advantages
Continuous bloom display
Plant Resistance
Strong heat tolerance
Scientific Name: Catharanthus roseus
Seed Names
Periwinkle
Seed Type
Open pollinated
Periwinkle Flower Seeds grow into vibrant plants with colorful blooms that brighten garden beds and borders. These heirloom, GMO-free seeds are valued for their seasonal flowering and ability to thrive in warm garden conditions.
Light Requirement
Full sun
Planting Depth
¼ inch deep
Sowing Method
Direct or trays
Plant Spacing
10–12 inches
Days to Maturity
60–80 days
Soil Preparation
No pre-treatment
Hardiness Zones
USDA zones 9–11
Water Needs
Moderate watering
Planting Season
Spring to summer
Seed Count
Recommended Coverage
100
Up to 15 sq ft
500
Up to 75 sq ft
1000
Up to 150 sq ft