Sunflower Seeds 'Russian Giant' Hardy Annual Flower Seeds Easy to Grow Your Own Garden Plants 1 Packet of Seeds by Thompson & Morgan

Product Information

Junior Sunflowers are another miniature hybrid that doesn’t produce pollen. They reach up to two feet in height, with flowers up to five inches wide, making them on the larger side of dwarves. Sow them several weeks after the last frost has passed, in a spot with loads of direct light to enjoy their bright yellow blooms. Dwarf Incredible If sunflowers aren’t pollinated by insects in the normal way, they can pollinate themselves. Each tiny flower in the central disc is able to curl its pollen-laden stigma around and transfer pollen to the flower’s anther, which will then develop into a seed. A related reason to grow Mammoth sunflowers is that they can shade other plants. Because of their large size, mammoth sunflowers are great for providing shade. If you need a different plant to have partial shade, then you may consider planting it under the sunflower. This includes cool-season vegetables which may benefit from afternoon shade in the warmer months. Mammoth sunflowers need full sun to grow to their full height. They need at least six hours of direct sunlight a day to thrive. However, they grow better/taller with closer to eight hours of direct sunlight. They can be planted in shady spots, but expect the plants to be stunted and the flowers to be small. Diseases: Sunflowers are usually resilient to diseases, but certain fungal infections can occur under specific conditions. Botrytis (gray mold), powdery mildew, and downy mildew are some common diseases that can affect sunflowers. Ensure good air circulation around the plants, avoid overhead watering, and promptly remove any infected plant parts to minimize the risk of disease spread. In severe cases, you may use appropriate fungicides following the instructions on the product label.

Helianthus annuus 'Russian Giant' can grow in a neutral to alkaline, well-drained moisture, rich in humus, and moderately fertile soil exposed to full sun. A cane might be needed to support the weight of the bloom. It is susceptible to diseases such as sclerotinia diseases and powdery mildews, along with pests such as slugs and snails. [1] Germination takes about 7 – 14 days. [2] Its seeds are considered to be edible. [5] History [ edit ] Sunflowers need a lot of sun! The ideal location provides 6-8 hours of sun a day in a sheltered location so there’s low risk of wind or storm damage. For the rest of us who may just want a fun conversation starter or to hold a friendly competition with a neighbor, these tips will help.Once the flowers appear, feed sunflowers weekly with an All Purpose liquid concentrate fertiliser diluted according to label directions. If ‘normal’ sunflowers are big then what constitutes a ‘giant’? In fact the term giant sunflower encompasses two dimensions – some are immensely tall with large heads, and others are of medium to tall stature but feature enormous flower heads that provide a veritable banquet of tasty sunflower seeds come the autumn.

These Giant Sunflower Varieties can grow up to 11-16 feet tall and produce heads that are up to 2 feet wide! They are perfect for creating a statement in the garden. 2. Russian Giant Sunflower

Fascinating facts about sunflowers

The Soraya sunflower is a unique variety with bright orange petals and a dark center. It reaches up to 6 feet in height, making it a reasonable branching option for container gardens, if you have enough clearance around the pot. The unique variety is actually an award-winning variety, the first sunflower, in fact, to win the All American Selections Award (in 2000) for its distinctive orange color. This is a unique variety of giant sunflower that produces stunning, bi-colored blooms. It can grow up to 8-10 feet tall and produce heads that are up to 10 inches wide. Find Are Sunflower Perennials here 12. Sunzilla Sunflower While ‘Russian Giant’ is the least tall of our giant sunflower selections at 2.5-3m tall, it produces truly giant flowers at 30cm across.

Starting sunflowers off indoors gives the plants a head start, which is important if you want to grow really tall ones. However, you need space on a sunny windowsill or in a greenhouse for a month or more, until you can plant them out in early summer. On the flip side, the hungry critters return when the flower heads start turning to seed. Use bags or netting to protect the flower heads. Or let them dine. If you are gardening in a zone with shorter, wetter summers, even the varieties that we mentioned above may not reach their full height. Don’t be discouraged though! This doesn’t mean that you won’t be able to grow sunflowers at all, it just means that your sunflowers won’t get as tall. The good news is that you’re still likely to get a good seed harvest from your crop. 4. If possible, sow your sunflowers directly. Dwarf Incredible Sunflowers are a unique variety of sunflowers. They have shorter stems, growing only to 2 feet in height, but still have huge flowerheads that may reach as wide as 18 inches across. Even though the flowers are huge, many folks still choose to grow these in container gardens or even indoors.

Advice on buying sunflowers

If you’ve never grown a sunflower, now’s the time to start. And with so many beautiful varieties available, the only difficulty about growing sunflowers is choosing which one to grow.