Bright Yellow Flowers
Produces large, daisy-like flower heads in yellow to orange-yellow shades that bring color to outdoor spaces.
Yellow Tithonia Diversifolia Giant Sunflower Seeds for Sale
Suitable for home gardening use
Regular price
Rs. 16.99 INR
Sale price
Rs. 16.99 INR
Regular price
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Product description
Yellow Tithonia Diversifolia Giant Sunflower Seeds
Yellow Tithonia diversifolia, commonly known as giant Mexican sunflower or tree marigold, is a tall, branching ornamental plant with large yellow to orange-yellow flower heads and deeply lobed green leaves. It adds height and seasonal color to suitable outdoor landscapes and garden borders. This fast-growing shrub thrives in warm climates and requires enough space for its mature size and spreading growth habit.
Giant Mexican Sunflower
Yellow Flowers
Tall Ornamental Plant
Warm-Climate Gardening
Key Features
Tall, Branching Growth
Develops an upright, branching shrub that can reach several feet in height under suitable growing conditions.
Distinctive Foliage
Features broad green leaves with three to five lobes, giving the plant a recognizable appearance.
Wildlife Garden Interest
Its flowers can attract bees and other visiting insects in suitable outdoor planting areas.
Product Highlights
Yellow to orange-yellow flower heads
Commonly called giant Mexican sunflower
Scientific name: Tithonia diversifolia
Tall, branching shrub growth
Deeply lobed green foliage
Suitable for spacious outdoor landscapes
Prefers warm growing conditions
Can attract bees and other pollinators
Specifications
| Scientific Name | Tithonia diversifolia |
| Common Name | Giant Mexican Sunflower, Tree Marigold, Shrub Sunflower |
| Plant Family | Asteraceae |
| Seed Type | Ornamental Flower Seeds |
| Growth Habit | Tall, branching herbaceous shrub or short-lived perennial |
| Flower Color | Yellow to orange-yellow |
| USDA Hardiness Zones | Climate-dependent; commonly grown in tropical and subtropical regions |
| Planting Season | Spring to early summer in suitable climates |
| Growing Season | Warm season; flowering varies with climate |
| Sowing Months | Spring to early summer in temperate climates; timing varies by region |
| Germination Time | Can be around 7 days under suitable conditions; varies with seed quality and environment |
| Germination Temperature | Warm conditions; follow supplier-specific instructions where available |
| Sunlight Requirements | Full sun to partial sun |
| Soil Requirements | Well-drained soil; adapts to a range of soil types |
| Watering | Water regularly while establishing and during prolonged dry weather |
| Mature Plant Height | Commonly around 2–3 m (6–10 ft), sometimes taller |
| Plant Spacing | Allow generous space based on expected mature height and spread |
| Propagation | Seeds and stem cuttings |
Growing Guide
Step 1: Choose a Suitable Planting Location
Select a sunny outdoor area with enough room for a tall, branching shrub. Check local guidance before planting because Tithonia diversifolia can spread aggressively in some regions.
Select a sunny outdoor area with enough room for a tall, branching shrub. Check local guidance before planting because Tithonia diversifolia can spread aggressively in some regions.
Step 2: Prepare the Soil
Choose well-drained soil and loosen the planting area. Avoid locations where water remains around the roots for extended periods.
Choose well-drained soil and loosen the planting area. Avoid locations where water remains around the roots for extended periods.
Step 3: Sow the Seeds
Follow the seed supplier's instructions for sowing depth and spacing. Keep the growing medium evenly moist while waiting for seedlings to emerge.
Follow the seed supplier's instructions for sowing depth and spacing. Keep the growing medium evenly moist while waiting for seedlings to emerge.
Step 4: Provide Sunlight and Water
Grow seedlings in a sunny location and water regularly during establishment. Adjust watering to local rainfall, temperature, and soil drainage.
Grow seedlings in a sunny location and water regularly during establishment. Adjust watering to local rainfall, temperature, and soil drainage.
Step 5: Manage Mature Growth
Monitor the plant's height and spread, remove unwanted seedlings, and deadhead flowers before seeds mature if you need to limit self-seeding. Dispose of plant material according to local guidance.
Monitor the plant's height and spread, remove unwanted seedlings, and deadhead flowers before seeds mature if you need to limit self-seeding. Dispose of plant material according to local guidance.
Add Yellow Floral Color with Tithonia Diversifolia
Yellow Tithonia diversifolia produces bold yellow flower heads, distinctive lobed foliage, and tall branching growth. It can add seasonal interest to spacious outdoor landscapes in suitable warm climates. Before planting, check local growing recommendations and invasive-species guidance to ensure this vigorous plant is appropriate for your area.
Frequently Asked Questions
Find answers about growing giant Mexican sunflower seeds, flowering, and managing mature plants.
How tall does Tithonia diversifolia grow?
Tithonia diversifolia commonly grows around 2–3 meters (6–10 feet) tall, although plants may grow taller in favorable conditions. Its branching stems and broad foliage need plenty of space, so choose a planting location that can accommodate its mature size.
How do you grow giant Mexican sunflower from seeds?
Sow Tithonia diversifolia seeds using the supplier's recommended depth and spacing. Keep the soil moist but well drained, provide warmth and sunlight as seedlings develop, and water regularly while plants establish. Germination may occur in about a week under suitable conditions, but results vary with seed quality and temperature.
Is Tithonia diversifolia invasive?
Tithonia diversifolia can spread aggressively through seeds and vegetative growth and is considered invasive or naturalized in some regions. Before planting, check your local invasive-plant regulations and recommendations. Where planting is permitted, monitor seedlings and remove flower heads before seeds mature to help limit unwanted spread.