How to Grow Rhubarb: A Beginner’s Guide.

To grow rhubarb, choose a sunny location with well-draining soil and add plenty of organic matter to the soil before planting. Water consistently and fertilize sparingly to avoid stalks becoming overly fibrous.

Rhubarb is a hardy perennial vegetable that is easy to grow in most climates. The plant requires full sun and well-draining soil, with ample organic matter added before planting. Optimal results can be achieved by planting crowns in spring, with the roots buried about an inch below the soil surface and the crown exposed.

Consistent watering is important, and sparing fertilizer should be applied in the spring. Regular harvests can be taken throughout the growing season, but be sure to leave some stalks for next year’s yield. With proper care, a rhubarb plant can provide abundant harvests for several years.

How to Grow Rhubarb: A Beginner's Guide.


Planning And Preparation

Rhubarb is a delicious and versatile vegetable that is relatively easy to grow. However, if you want to get the best results, it is essential to plan and prepare before planting. In this section, we’ll provide some useful tips for choosing the ideal location, soil preparation, fertilizers and supplements, and the right time of year for planting rhubarb.

Choosing The Best Location For Rhubarb Growing

The ideal location for growing rhubarb should be sunny and well-drained.

  • Choose an area that receives at least six hours of sunlight each day.
  • Avoid areas where the soil is compacted or prone to waterlogging.
  • Make sure there’s ample space for the rhubarb to spread out and grow.

Soil Preparation For Rhubarb

Rhubarb grows best in fertile, well-drained soil with a ph level of 6. 0 to 6. 8.

  • Start by digging a hole approximately 1 foot deep and 2 feet wide.
  • Remove any weeds or grass from the area.
  • Add compost or rotted manure to the soil to improve its nutrient content.
  • Work in a balanced fertilizer, like a 10-10-10 blend.

Fertilizers And Supplements For Rhubarb Growth

Rhubarb is a heavy feeder, and it requires a regular supply of nutrients throughout the growing season.

  • Apply a slow-release fertilizer like compost or well-rotted manure to the soil each year.
  • Regularly apply a high-potassium fertilizer, like a 0-20-0 blend, to promote strong root growth.
  • Use a calcium supplement to prevent diseases like blossom-end rot.

Time Of Year For Planting Rhubarb

The best time to plant rhubarb is in the early spring or late fall.

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  • Plant rhubarb roots in the early spring as soon as the soil can be worked or in the late fall when the soil is still warm.
  • Avoid planting rhubarb in the summer, as the heat can cause stress and damage to the plant.
  • Make sure to plant rhubarb in an area where it can spend the winter, as it requires a period of cold dormancy.

Following these planning and preparation tips will help ensure that your rhubarb plants grow healthy and produce abundant foliage and fruit. Remember to keep the soil well-maintained, supplying enough water, nutrients, and sunshine throughout the growing season. With proper planning and preparation, you’ll be able to harvest some delicious rhubarb to enjoy in pies, jams, and other recipes.

Rhubarb Planting And Propagation

Planting Rhubarb From Seeds

Planting rhubarb from seeds is a little more challenging than planting from rhubarb crowns. However, growing rhubarb from seeds is rewarding and affordable.

  • Start by choosing the best location in your garden. Rhubarb prefers well-drained soil and partial shade.
  • Always plant the seeds indoors or in a greenhouse. It takes around two weeks for rhubarb seeds to germinate, and they need a constant temperature of around 15-20°c.
  • Prepare your planting trays by sterilizing them with hot water and a mild soap solution to eliminate any bacteria.
  • Fill your trays with a good seed-raising mix, and lightly water the soil.
  • Next, scatter rhubarb seeds over the soil and sprinkle a thin layer of soil on top.
  • Cover the trays with plastic wrap or a plastic dome to keep the seeds moist. Keep them in a cool spot until they germinate.
  • Once you notice the seedlings, remove the plastic wrap and move the trays into a brighter spot.
  • When the seedlings grow their third or fourth leaf, transplant them into larger containers and wait for the stems to thicken before transplanting them into your garden.

Propagating Rhubarb Via Crowns And Divisions

Propagating rhubarb using crowns or divisions is the most common method and the easiest way to get started with rhubarb growing.

  • When you first buy a rhubarb crown or division, replant it as soon as possible. The best time to plant is during the dormant period of late autumn or early spring.
  • Before planting, dig a hole about 60cm wide and the same depth as the root ball.
  • Once you have dug the hole, add a compost layer to enrich the soil.
  • Place the crown or division gently into the hole and cover with soil.
  • Press down the soil firmly to remove any air pockets.
  • Finally, water the soil around the crown or division and add a layer of mulch to keep the plant moist.

Pruning Rhubarb

Pruning rhubarb is not necessary but can improve yields and prolong plant life.

  • When you notice your rhubarb plant producing its first edible stalk, it’s time to start pruning the leaves. Cut off all of the large leaves from the base of the stem and dispose of them to avoid attracting pests.
  • Throughout the growing season, cut the smaller leaves regularly to allow more light to reach into the center of the plant.
  • During the dormant season when the rhubarb has lost its leaves, remove any dead or damaged stems.
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Root Systems Of Rhubarb

Rhubarb’s root system is a vital component of its success and can last for years if looked after correctly.

  • Rhubarb plants have a deep root system that can reach up to 75cm deep. Ensure you dig a deep hole when planting and that the soil is well-drained.
  • Fertilize the plants annually, in late winter or early spring, with a nitrogen-rich fertilizer to encourage healthy root growth.
  • Rhubarb crown or division should be lifted from the ground and separated when it’s five to six years old. But if you regularly fertilize and keep your soil moist, they can last for up to 20 years.

Taking Care Of Rhubarb Plants

Rhubarb is a hardy perennial vegetable that requires minimal maintenance once established. Growing these plants can be a rewarding experience, but you should be aware of the necessary care needed to get the best results. Below are some essential tips for taking care of rhubarb plants.

Watering And Irrigation Methods

  • Rhubarb plants require consistent moisture throughout the growing season.
  • You should water the plants deeply once a week if rainfall is less than an inch in the week.
  • To keep the soil evenly moist, mulch the plants with a layer of organic matter to help conserve moisture.

Proper Feeding Techniques For Rhubarb

  • Adequate feeding with the right fertilizer is essential for the growth of rhubarb plants.
  • Feed your plants in early spring when new growth kicks off, with well rotted manure or garden compost.
  • Avoid using fresh animal manure as it can cause root burn and rot to rhubarb plants.

Organic Solutions For Controlling Pests And Diseases

  • Rhubarb plants are relatively disease-free and pest-resistant.
  • However, aphids, slugs, and snails can be a problem, especially in damp weather.
  • The best way to control pests is through natural means, such as handpicking or using insecticidal soap spray.

Main Factors That Affect Rhubarb Growth

  • Rhubarb plants need cool temperatures for growth and prefer a sunny and sheltered position.
  • Soil ph is a critical factor that affects rhubarb growth. The ideal ph range is between 5. 0 and 6. 8.
  • Poor drainage and insufficient sunlight can stunt rhubarb plant growth.

Protecting Rhubarb Plants From Extreme Temperatures

  • Rhubarb plants can tolerate cold temperatures but not frost.
  • To protect your plants, cover them with a frost blanket before winter sets in.
  • During extreme hot weather, keeping the soil moist and adding a layer of mulch can help keep the plants cool.

By following the above tips and taking care of your rhubarb plants, they will provide a bountiful harvest year after year. Remember, healthy plants equal healthy produce, so always aim to provide the best possible care.

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Harvesting And Storing Rhubarb

Knowing When To Harvest Rhubarb

Before harvesting rhubarb, it’s essential to know when the plant is ready. Rhubarb plants are ready to be harvested when the stalks are at least 10 inches long. Mature plants are usually ready for harvesting in the second or third year.

Here are some signs that rhubarb is ready for harvest:

  • Stalks are a deep red color or a shade of pink
  • Leaves are large and fully grown
  • Stalks reach at least 10 inches long

Proper Harvesting Technique To Maximize Yield

Understanding the proper technique for harvesting rhubarb can help maximize yield.

Here are some steps to follow when harvesting rhubarb:

  • Use a sharp knife or garden scissors to cut the stalk at the base gently.
  • Cut around 2 inches above the crown, leaving any new growth and foliage undisturbed.
  • Cut all the thicker stems first, then proceed to the thinner stalks.

Proper harvesting can help promote new growth and maximize the yield. If you’ve overharvested, your rhubarb will produce fewer stalks in the following year.

Best Methods For Storing Rhubarb After Harvesting

To store rhubarb properly, it’s crucial to follow the suitable methods.

Here are some best methods for storing rhubarb after harvesting:

  • Refrigeration: Store the unwashed and uncut rhubarb stalks in a plastic bag in the refrigerator’s crisper drawer for up to two weeks.
  • Freezing: Cut the rhubarb stalks into small pieces, blanch them in boiling water for a minute, and freeze them in an airtight container for up to six months.
  • Canning: Cut the rhubarb into small pieces, pack it into jars, and process them according to your canner’s instructions.

Creative Recipe Ideas For Using Rhubarb

Rhubarb has a tangy and refreshing taste that can be used in various savory and sweet dishes.

Here are some creative recipe ideas for using rhubarb:

  • Rhubarb jam: Cut the rhubarb stalks into small pieces, add sugar, lemon juice, and zest, and simmer them in a saucepan until the jam reaches the desired consistency.
  • Rhubarb crumble: Slice the rhubarb stalks into inch-long pieces, add sugar, and top them with a mixture of flour, sugar, and butter. Bake the crumble in the oven for 30 to 40 minutes until golden and crispy.
  • Rhubarb chutney: Combine diced rhubarb, onion, apple, vinegar, and brown sugar in a saucepan and simmer them until the mixture thickens. Enjoy it as a condiment with grilled meats or as a dip for crackers.

Rhubarb is an incredibly versatile ingredient that can enhance the flavors of various dishes. Try some of these creative recipes to explore the tangy taste of rhubarb.


As you can see, growing rhubarb can be a rewarding experience for gardeners of all levels. From selecting the perfect site to caring for your plants along the way, there are many factors to consider that can make or break your harvest.

Remember to give your rhubarb plenty of space, water, and nutrients, while also keeping an eye out for common pests and diseases. By following these tips and tricks, you’ll be able to enjoy a delicious and bountiful crop of rhubarb year after year.

Whether you plan on making pies, jams, or simply enjoying it fresh, there’s no denying the versatility and flavor of this unique plant. So go ahead and get started on your rhubarb growing adventure – your taste buds (and your garden) will thank you!