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Growing Rosella, also Queensland Jam Plant, Roselle

Jan F M A M J J A S O N Dec
                       

Not recommended for growing in USA - Zone 5a regions

  • Sow in garden, or start in seed trays. Sow seed at a depth approximately three times the diameter of the seed. Best planted at soil temperatures between 68°F and 95°F. (Show °C/cm)
  • Space plants: 55 inches apart
  • Harvest in 21-25 weeks.
  • Compatible with (can grow beside): Feverfew, Coriander, Nasturtium and Hyssop

Your comments and tips

25 Feb 20, Another gardener (Australia - sub-tropical climate)
Bundaberg is sub tropical climate zone, read up about climate zones in the blue tab at the top of the page. At the top of the page for Rosella you will see the months to plant, the big capital P. Just be careful with the current wet weather (14 inches for Feb so far) we are having. Maybe start them in some potting mix or a good draining soil combo. I live Coral Cove.
02 Feb 20, Clive (Australia - temperate climate)
I have 11 big healthy rosella plants. No fruit or flowers are showing. Bit worried. Grown from seeds from last years plant as well as some seeds i bought off Ebay. Planted in trays Sept and transplanted into garden Oct 2019. Plants have grown quite big but are not flowering. Is it the extra heat this year? Will they still flower?
18 Feb 20, Clive (Australia - temperate climate)
Things are looking up. 19/02/2020. Buds are appearing on the bushes. First flower out this morning. Awesome
14 Feb 20, Linda (Australia - tropical climate)
Hi Clive, my Rossellas are pretty much at the same stage and I'm not expecting any flowering until the early early dry season perhaps late April.
03 Feb 20, Anon (Australia - temperate climate)
It does say 21-25 weeks from sowing. Middle of this month would be about 21 weeks. Hope they flower soon.
03 Feb 20, Another gardener (Australia - sub-tropical climate)
You may have over fertilised them. Usually when plants are really big and strong and not flowering etc they have had too much fertiliser especially N.
02 Nov 19, Jack Naidu (Australia - temperate climate)
Do you have Rosella seeds or plants
04 Nov 19, (Australia - sub-tropical climate)
This website doesn't sell any seeds etc. Try a nursery, Bunnings or even facebook- market place. A person is selling seedlings in the Bundaberg area now on marketplace.
06 Oct 19, bernard wilson (Australia - temperate climate)
surely to goodness somebody must know the answer as to why rosella plants wilt all of a sudden,It is nice to see all the qustions mentioning the various stages of wilting all of a sudden.this is all very well and good to know that I am not the only one this is happening to.Where are all the answers.Surely their must be some experts with the solution to this problem.Or don't they want us to know for some unknown reason? Surely some of the commercial growers must know.or do they have access to the cure that the home gardener is banned from using such as fruit fly prevention etc.it is very frustrating not to know the reason why this is happening.i am trying Yates Root Rot prevention at the moment.am I on the right track?
07 Oct 19, anon (Australia - sub-tropical climate)
There are no experts on this website I'm sorry to say. I'm just a home gardener trying to help genuine people. I grew parsley a few years ago and about this time of year it just died in the space of a week, very healthy plant to brown in a few days. When I have a problem I go looking on the internet. Ring up your state government agricultural department. Agricultural supply companies.
Showing 11 - 20 of 407 comments

When to prune Rozella plants

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This planting guide is a general reference intended for home gardeners. We recommend that you take into account your local conditions in making planting decisions. Gardenate is not a farming or commercial advisory service. For specific advice, please contact your local plant suppliers, gardening groups, or agricultural department. The information on this site is presented in good faith, but we take no responsibility as to the accuracy of the information provided.
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