Product Description
Red Grevillea Robusta Flower Seeds for Planting – Exotic, Fiery Blooms for Stunning Garden Displays
Transform your garden with the captivating beauty of Red Grevillea Robusta Flower Seeds. Known as the “Silky Oak,” this Australian native produces clusters of brilliant red-orange flowers that stand out against fine, fern-like green foliage. A favorite among gardeners for its vibrant color and wildlife appeal, it’s perfect for warm, sunny locations and adds a tropical flair to borders, hedges, or large containers.
Key Features
• Produces bright red-orange flower clusters with lush green foliage
• Ideal for tropical and warm climates
• Attracts pollinators like bees, hummingbirds, and butterflies
• Fast-growing ornamental plant with year-round appeal
• Non-GMO, premium-quality seeds
• Drought-tolerant once established
• Excellent for garden borders, screens, or decorative planting
Specifications
• Common Name: Silky Oak
• Botanical Name: Grevillea robusta
• Variety: Red Grevillea
• Flower Color: Bright Red-Orange
• Plant Type: Perennial / Evergreen Shrub or Small Tree
• Blooming Season: Spring to Summer
• Sun Exposure: Full Sun
• Soil Type: Well-drained, sandy or loamy soil
• Watering Needs: Moderate; avoid waterlogging
• Germination Time: 21–35 days
• Ideal Temperature: 20–28°C (68–82°F)
• Planting Depth: 1/4 inch
• Spacing: 24–36 inches apart
• Mature Height: 10–30 feet (depending on pruning)
• Maintenance Level: Easy
• USDA Zones: 9–11
• Growth Habit: Upright and bushy
• Suitable For: Borders, tropical gardens, ornamental hedges, containers
Planting Guide
• Soak seeds in warm water for 24 hours before planting to enhance germination.
• Sow seeds in well-draining soil mix about 1/4 inch deep.
• Keep soil moist but not soggy until germination (3–5 weeks).
• Place in a warm, sunny spot with good airflow.
• Once seedlings are strong, transplant outdoors in full sun.
• Water regularly during establishment, then reduce frequency once mature.
• Prune lightly to shape and encourage flowering.
