Sunflower Helianthus annuus
How to sow sunflower: Direct seed outdoors after last frost in groups of 2-3, thin to 1 plant when true leaves appear
Sun requirement for sunflower: Plant in Full Sun
Sunflower has been planted 39 times by Growstuff members.
Sunflowers are large flowers with bright to deep yellow ray florets surrounding a large circular grouping of disc florets that mature into seeds. Sunflowers are grown for ornamental purposes, cut flowers, or their edible seeds. They can reach heights of 300cm or more.
Median lifespan11 weeks
First harvest expected10 weeks after planting
Last harvest expected11 weeks after planting
Sunflower seedsmore photos »
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What people are saying about sunflowers
This weekend I had two full days to really focus on the yard, and I made the most of it. With the intermittent help of several others over the course of the weekend, I got both easement planter boxes filled with compost and soil, cleaned up and weeded the alley, got the stump pulled from the coni...
lettuces arugula mustard sunflowers dill onions beets tomatoes fenugreek bell peppers okra artichokes pot marigolds mint lavender spinach basils thyme parsley zucchini peasRead more
Like I said in my last post, everything has been late and disorganised this spring. However, I'm trying to get some stuff planted *juuuusssssttttt* under the wire for December, and hopefully they'll have time to grow before things cool down in the new year. Last year I was pretty amazed how lon...Read more
I'm so very, very behind on my gardening. I was travelling heaps and had lots of other commitments through October/November, which is peak spring planting time here, and nothing got done. I've come to the realisation that if I'm going to do work that involves that sort of travel, I need to cut ...Read more
I had the first tiny strawberry of the season today! I'm looking forward to many more. Also, I transplanted a lot of seedlings into the community garden today: 2 [cucumber](crop)s, 3 [green bean](crop)s, 2 tongue-of-fire beans, an ornamental [sweet potato](crop), and an [artichoke](crop). I...
cucumbers green beans sweet potatoes artichokes lettuces radishes carrots parsnips sunflowers strawberriesRead more
Our landlords tried to make our rental property's garden low-maintenance by filling it the beds with all kinds of perennial shrubs and small trees. Unfortunately they planted everything really close together and it's caused all kinds of problems -- things under trees not getting enough light, th...Read more