Growing and Harvesting Sorrel in Florida: Lessons from My Garden

By Linval Maragh, The Island Gardeners • Palm Bay, Florida

Growing up in Jamaica, sorrel marked a change in the season for me. The harvest toward the end of fall meant the festive season was approaching. Then came the making of sorrel wine, its bright red color just as festive as the celebrations themselves.

Today, growing sorrel in our Palm Bay garden brings back those memories. A fresh harvest gives me an ingredient straight from the garden, before any commercial processing. But it also gives me something less tangible: that feeling of home, and a tradition I would like to pass on to my children.

I have had plenty of difficulties growing sorrel. What finally made a difference was understanding how much water my plants actually needed. Here is what I have learned, from sowing the seeds to bringing the harvest into the kitchen.

The sorrel we grow: our three-month cultivar

Sorrel, also called roselle or Florida cranberry, is Hibiscus sabdariffa. It produces delicate hibiscus flowers, followed by fleshy red calyces around the seed capsules. Those calyces are the familiar ingredient we use for sorrel drinks.

We grow a selection we call our three-month cultivar. In my experience, the first harvest comes approximately 90–120 days after planting the seeds. That gives us more flexibility than the seasonal types I have known, which wait for the shorter days toward fall to enter their flowering phase.

Treat that interval as a planning guide. Weather, planting date, and growing conditions can affect the actual harvest. Many roselle varieties respond to shorter days; this timing describes our experience with our selection, rather than a promise for every sorrel plant.

How I prepare the ground and sow the seeds

I start with a fresh layer of compost-rich garden soil, approximately two inches deep. I lay down a row of weed barrier and sow directly into the planting spots, using two or three seeds per hole, about 24 inches apart.

That is the spacing I have used in my garden, but sorrel can grow larger than you expect. Give the plants room to branch, and allow wider spacing where needed for access and airflow. Several seeds in one spot provide a chance of establishment; thin crowded seedlings rather than leaving them to compete indefinitely.

Before sowing, I soak the seeds in water overnight. With that preparation, I have seen them sprout within three days of planting. Your seed lot and soil conditions may give a different result.

In this planting, I used no additional mulch and no fertilizer beyond the compost-rich soil. That was my approach for this bed, rather than a rule that every garden must follow.

My biggest mistake: too much watering

The number-one mistake I made was watering too much. Sorrel did better for me when I stopped treating established plants as though they needed constant watering.

Here is the routine that worked in my ground-grown bed:

This schedule reflects my soil and garden conditions in Palm Bay. Rainfall counts as watering, and containers or very sandy ground may need a different approach. Check the soil instead of following the calendar blindly. Allow it to dry somewhat between waterings without letting young seedlings dry out completely.

Choose a place where water does not collect. My plants do not do well sitting in water, so drainage is one of the first things I consider now.

Planting season and wind protection

I begin planting in early spring once conditions are warm. With our early selection, I can make successive plantings through the warm season, with my last planting around August. That is how I spread out the crop instead of relying on one planting.

Sorrel does not grow well in cold conditions, and frost can end the season. A late planting needs enough warm weather ahead to reach harvest.

The plants can also benefit from staking. Wind can blow them over, especially once they have grown tall and branched out. Think about support before a storm arrives, and choose a site with some shelter that still receives plenty of sun.

How I know the sorrel is ready to harvest

On our cultivar, I watch for the calyces to develop an open end so I can see the seed capsule inside. That is one of my practical harvest cues.

I also want the calyces to be full, fleshy, and ready for the kitchen. An open end is not a universal rule for every variety: some sorrel types have a more closed calyx. General horticultural guidance places harvest around two weeks after flowering, while the calyces are still tender rather than dry and fibrous.

Once they are ready, I do not leave them sitting in the field unnecessarily. I have seen mature calyces begin to rot when they are rained on frequently. Check the plants regularly, harvest promptly, and discard any spoiled material.  

Picking carefully—or harvesting the whole plant

I use scissors so I do not pull on the branches and damage them. Before cutting, I look for another flush of buds and flowers.

If more buds are emerging, I pick the ready calyces carefully and leave the branches to continue producing. If there are no more buds or flowers and I am finishing that crop, I can cut the branches and harvest the plant at once.

That distinction matters: a plant with another flush coming deserves a gentler harvest.

Cleaning the harvest and saving seeds

After harvesting, we cut away the central seed capsules, keeping the fleshy red calyces for our drink. Then we wash the calyces before preparation.

For next season's seeds, leave some capsules on the plant long enough to mature. A capsule removed at the best stage for tender calyces may not yet contain fully mature seed. Dry mature capsules, collect the seeds, and store them dry for the next planting.

Sorrel seeds have another use, too. Roselle seed oil is commercially produced by cold pressing and used in cosmetics. That is a verified use of Hibiscus sabdariffa seeds, although it does not establish demand for a particular grower's harvest. For us, saving planting seed is a way to keep the garden going.

Video Ilustration here  >  

Our sorrel drink ingredients

The harvest takes me back to the kitchen traditions I grew up with. Ginger and spices bring their own warmth to that familiar bright red drink.

This is the ingredient combination I shared for our household batch:

The ginger is generous, so adjust it if you prefer a gentler drink. Strength also depends on the calyces and how long they steep.

A suggested method for this ingredient list

1. Place the water, ginger, cinnamon, cloves, and pimento in a large pot and bring to a boil.
2. Turn off the heat, add the cleaned sorrel calyces, and cover. Steep until the color and flavor reach your preference, starting with about 30 minutes and checking as it develops.
3. Strain out the calyces, ginger, and whole spices. Stir sugar into the warm liquid, starting with the smaller amount and adjusting to taste.
4. Divide into smaller containers to cool promptly and refrigerate. Serve chilled or over ice. Keep longer steeping refrigerated rather than leaving the drink out for days.
5. For an adult version, add wine or rum after cooling, to taste. Keep a separate alcohol-free batch if serving children.

Traditional sorrel wine is part of my memory of the festive season. Making fermented wine is a separate process from steeping this drink or adding wine to it. Use a reliable winemaking recipe with appropriate yeast, clean equipment, and controlled fermentation; adding rice and leaving the drink standing for several days is not a complete winemaking method.

My advice to a first-time sorrel grower

Give it space. It will probably grow larger than you expect.

Do not overwater. Keep seedlings moist enough to establish, then pay attention to the soil, rain, and plants instead of watering automatically.

Harvest when it is ready. Tender calyces do not improve by waiting through repeated rain.

Growing sorrel has taken some trial and error for me. But bringing in that red harvest still carries the same feeling it did when I was growing up: a change in the season, something good being prepared in the kitchen, and a tradition worth passing on.

If you would like to grow your own, explore our Sorrel Hibiscus Seeds – Three-Month Cultivar at The Island Gardeners in Palm Bay, Florida.

Grow what you eat and eat what you grow.