![]() A ratio of 7:7:7 indicates a balanced fertiliser ( Growmore in this example). All fertilisers should quote their N:P:K ratio (Nitrogen, phosphorus and potassium) on the product packaging. ![]() *Fertilisers contain concentrated sources of plant nutrients. ![]() Each branch will form a number of smaller flowers. This will encourage side shoots and branching stems. If you prefer many smaller flowers per stem instead of a large single flower, cut off the growing tip when the plant has reached 1 metre tall. Support the stem as it gets taller by tying it to a cane.įeed with a balanced fertiliser once a week! * When they reach 30-45 centimetre in height, put a layer of Organic Matter around, but not touching, the stems to a depth of 10cm. Watch out for slugs as soon as your seedlings appear! Make 2 centimetre holes, 30 centimetres apart and drop a seed in each. If you live in a region that get lots of dry and sunny weather, you can sow sunflower seeds directly in the ground in spring, as soon as the risk of frost has passed.Ĭhoose a sunny spot and get the soil ready by digging it over, removing weeds and raking to get a fine soil texture (it bit like crumble topping!) Spread a sheet of newspaper on a flat surface, gently rub the seed head and the seeds will fall away easily.Ĭollect them in an envelope or paper bag and store in a dry, cool, dark place until spring when they will be ready to sow and grow once more. Once the petals have faded, cut the flower heads off and store them in a sunny, warm, dry place for another week. This process is not difficult, but squirrels and birds know this all too well and may clean you out before you can get to them. Leave the flower head on the stem for at least 2 weeks. Harvest sunflower seeds once the flower has begun to fade. Once the flower has faded the sunflower head will have lots of seeds in the centre and these are a great source of food for birds, alternatively you can harvest the seeds and grow them again next year. At the end of your sunflower season, keep an eye on your flowers to determine when the right time is for harvesting. Learn how to sow the seeds in pots ready for planting out in your garden with our simple ‘Grow a sunflower’ activity. When to Harvest Sunflower Seeds Sunflowers bloom through the summer and even into the autumn months, depending upon where you live. In fact, the Italian word for sunflower ‘ girasole’ literally means ‘turning sun’. Growing in this way, following the path of the sun across the sky is called ‘phototropism’ or ‘heliotropism’. With the seeds now exposed press your thumb down firmly and move it in a circular motion and they will eventually come loose and start to drop out. Heli meaning sun and anther meaning flower.Īs soon as the flower forms and opens, you can watch it ‘turn’. There are several signs to look for when the sunflowers are ready to be picked. The name Sun Flower is a direct translation from the botanical name Helianthus annus. 330K views 5 years ago We show you how to tell when sunflowers are ripe and ready to be harvested. Sunflowers are known as being “happy” flowers and make the perfect gift to bring joy to someone's day.
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