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Product Description
Sinicuichi is a hardy flowering plant known for its resilience and historical use in traditional gardens. This heirloom, GMO-free seed variety is well-suited for outdoor planting in home gardens and natural landscapes.
Product Features:
Plant Type: Sinicuichi Flower
Growth Habit: Upright and spreading
Seed Type: Heirloom, GMO-Free
Sun Requirement: Full sun to partial shade
Soil Requirement: Well-draining soil
Maintenance: Low
Planting Instructions:
Sow seeds indoors 6–8 weeks before the last frost or directly outdoors after frost has passed.
Lightly press seeds into the soil without burying deeply.
Space plants 12–16 inches apart.
Keep the soil lightly moist during the germination period.
Germination typically occurs in 2–3 weeks under warm conditions.
Once established, water moderately and trim as needed to maintain plant shape.

Life Cycle
Perennial flowering shrub
Planting Season
Warm season
Growth Habit
Upright branching shrub growth
Flavor Profile
Not applicable
Plant Characteristics
Small bright yellow flowers with narrow green foliage
Use
Garden beds, borders, medicinal gardens, ornamental landscapes
Growing Conditions
Thrives in sunny locations with well-drained soil
Harvest Advantages
Hardy plant with attractive flowers and aromatic foliage
Plant Resistance
Drought tolerant and adaptable once established
Scientific Name: Heimia salicifolia
Seed Names
Sinicuichi / Heimia salicifolia Seeds
Seed Type
Heirloom & GMO Free
Sinicuichi, commonly known as Sun Opener, is a hardy ornamental shrub admired for its bright yellow flowers and slender green leaves. These heirloom plants grow well in warm climates and produce charming blossoms throughout the season. Ideal for garden borders and natural landscapes, Sinicuichi adds a unique touch to home gardens.
Light Requirement
Full Sun
Planting Depth
Sow about ¼ inch deep
Sowing Method
Start indoors in seed trays or direct sow outdoors in warm climates
Plant Spacing
24–36 inches
Days to Maturity
90–120 days
Soil Preparation
Soaking seeds in warm water for 12 hours may improve germination
Hardiness Zones
USDA 8–11
Water Needs
Low to Moderate; prefers well-drained soil
Planting Season
Spring / Early Summer
Seed Count
Recommended Coverage
100
Up to 100–225 sq ft
500
Up to 200–450 sq ft
1000
Up to 400–900 sq ft