While these sunflowers are an awe-inspiring sight in the garden, they require some care—especially in exposed areas where wind may cause the tall plants to topple. For best results, be sure to provide support to help the plants grow straight and strong. The Mongolian Giant sunflower grows quickly, typically germinating in 14-21 days, and reaches its full height within the growing season.
Planting Instructions:
Ideal Growing Conditions:
Light: Full sun is essential for these giant sunflowers. They need at least 6 hours of direct sunlight daily to thrive.
Soil: Sunflowers prefer loamy, well-drained soil. Ensure the soil is loose and fertile to allow for deep root development.
Temperature: These sunflowers grow best in moderate temperatures between 65°F and 75°F (18°C to 24°C).
Caring for the Plants:
Watering: Keep the soil moist but not soggy. Sunflowers need regular watering, especially during dry spells, but avoid overwatering.
Support: Given their large size, Mongolian Giant sunflowers benefit from staking or other forms of support to prevent them from toppling over, particularly in windy areas.
Fertilization: Use a balanced, slow-release fertilizer to encourage steady growth. A high-potassium feed will help improve flowering.
Additional Tips:
These sunflowers thrive in warm climates but can tolerate cooler temperatures in spring.
Regularly remove dead or wilted blooms to promote new flower growth and prevent pests.
Massive Size: Grows up to 14 feet tall with 18-inch flower heads 🌞.
Great for Birds: Large seeds attract wild birds, especially in winter 🐦.
Vibrant Blooms: A striking addition to any garden with bold yellow flowers 🌻.
Easy to Grow: With proper care, they grow quickly and easily from seed 🌱.
Supportive: Perfect for gardeners looking for tall, stunning plants 🌻.
Once your Mongolian Giant Sunflowers bloom, you can enjoy their stunning flowers and later harvest their seeds. The large seeds can be used for various purposes:
Bird Food: Harvested seeds are a great source of nutrition for wild birds, especially in the winter months.
Human Consumption: Sunflower seeds can also be roasted and enjoyed as a snack or used in baking.
Flower Arrangements: The large, vibrant blooms are ideal for flower arrangements and can last well into autumn.
To harvest, simply cut the sunflower heads once the petals begin to fade. Allow the heads to dry, and then remove the seeds carefully. Store them in a dry, cool place for long-term storage.
Sunflowers are generally resistant to pests, but you should still be mindful of common threats:
Aphids: Occasionally, aphids may gather on sunflower plants. If this happens, rinse them off with water or use an organic insecticide.
Birds: If you plan to harvest the seeds for yourself, be sure to protect the flower heads from hungry birds!
Good companions: Corn, Beans, Cucumbers—these plants thrive when grown together and help each other in the garden.
Bad companions: Potatoes—avoid planting sunflowers near potatoes as they may compete for nutrients.
We ship worldwide from the European Union using registered air post with signature confirmation on delivery.
Log in to your account and go to Order History > Details to find your tracking number.
You will receive email notifications at every step — please check your spam/junk folder if you don’t see them.
Track your package via:
Cash on delivery is not available.
Always provide a valid mobile number with country code when ordering (e.g., +365 456 7686 576).
Do not order to P.O. Boxes or if you cannot be home to sign for the package. We cannot leave parcels with neighbors.
If a package sent to a P.O. Box is lost or undelivered, you lose the right to a refund.
For customers in Brazil and Mexico:
We cannot refund packages lost or destroyed by customs.
If your package is returned, we will refund only the product cost — shipping costs are not refundable.
You must pay return postage (€2) and any costs for reshipping.
If a package is returned to us for any reason, you are responsible for paying the return shipping (€2) plus the cost to resend the package.
Registered shipments require a signature from the recipient.
If your tracking shows the package is still at the origin post office, it means the package is in transit — please contact your local post office directly for updates.
We are not responsible for delivery times and cannot track shipments for you.
| Delivery Option | Processing Time | Notes |
|---|---|---|
| Priority Delivery | Ships in 1-7 business days | Prioritizes order processing (not guaranteed faster delivery); delays possible during holidays (3-10 days) |
| Secured Delivery | Ships in 1-7 business days | Available for orders up to €150; refund if lost |
| Standard Delivery | Ships in 7-10 business days | More economical; delays possible during holidays (7-14 days) |
Estimated Delivery Time:
Within the EU: 3–20 days
Worldwide: 5–30 days
Example delivery times to the USA:
Delivered in 13, 17, 19, 22, or 27 days.
Note: Delivery times depend on your location and the local postal system. COVID-19 may cause additional delays.
Shipping and handling fees are calculated automatically during checkout based on the weight of the parcel and the destination country.
We do not process or ship orders on Saturdays or Sundays.
Bank Transfer (SEPA / IBAN / SWIFT-BIC)
Include your order reference in the payment description (e.g., "SGS-19811702"). Orders without payment within 7 days are automatically cancelled.
PayPal
Payments accepted in Euros only. Please select Euros at checkout.
Card Payment
For card payments, visit our other site: Exotic Seeds Store
We accept Visa, MasterCard, American Express, CB, Diners Club, Discover, China UnionPay, JCB, and Discover.
Customers are responsible for any transaction fees. Please provide payment details to help us process your order efficiently.
Before placing your order, please check our website for any special notices, holiday schedules, or specific conditions that may affect your purchase.
