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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
  • Rosella bud

This frost tender annual grows to a height of 2 metres. It is grown for its red fruit which make delicious jam or jelly.

Rosella needs a growing season of at least 6 months warm weather so is best suited to tropical or sub-tropical areas. Can be started under glass in cooler areas. Water well and give a dressing of fertiliser when flowering starts.

Culinary hints - cooking and eating Rosella

The large flowers produce a crimson enlarged calyx.
Use the fleshy red calyx, without the green seed pod to make jam or jelly.

Your comments and tips

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 is very frustrating not to know the reason why this is happening.i am trying Yates Root Rot prevention at the 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.
16 Jun 19, Judy Budgen (Australia - sub-tropical climate)
Full grown rosella bushes looking very healthy, and then suddenly wilting and dying for no visable reason. They were just starting to flower and some very starting to set fruit. Any help would be appreciated.
31 May 19, BRUCE CHAPMAN (Australia - temperate climate)
When to prune Rozella plants
13 Apr 19, Sandra (Australia - temperate climate)
One of my Roselle bushes growing well but no producing flowers or calyxes. Any ideas?
06 Apr 19, R Townsend (Australia - sub-tropical climate)
are Rosella plants able to be kept growing for a second season, our crop this year of four plants are around four foot high and seem extremely sturdy and just starting to fruit now.April, if so do they need to be pruned back to ensure a second crop.
24 Mar 19, Ardelle (Australia - sub-tropical climate)
One of my rosella is big and tall but no flowers, the others are fruiting well. Does anyone know why? Thanks
14 Aug 18, ron (Australia - sub-tropical climate)
When and where to buy Rosella Plants
16 Aug 18, (Australia - sub-tropical climate)
Internet - The Seed Collection Company.
30 Jul 18, Graham Donnelly (Australia - tropical climate)
Could you please tell me why my rosellas are wilting and dying One seems to get the wilts and then all the others seem to follow I have a patch of about 20 trees ,they get to approx 3to 4 foot high and just seem to wilt and die The same area last year all the trees were fine I need help Please
Showing 1 - 10 of 386 comments

Where can I buy Roseella seed or Plants?

- Bill

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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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