Belonging to the Rheum genus, Rhubarb has a botanical name of Rheum rhabarbarum.
Rhubarb is a robust perennial with thick fleshy stems below ground and very large sturdy leaves with bright pink or red leaf stalks (petioles).
It is the leaf stalks that are harvested. Make sure not to eat the leaves of Rhubarb – they are poisonous to humans.2. The leaves and petioles being rich in harmful oxalates.
Blooms appear in these approximate colours: Cream and Light pink and Light green. Leaves appear approximately as a La Salle Green and Dark red
Rhubarb grows as a perennial and is a flowering semi-edible vegetable / fruit. Being a perennial plant, it tends to grow best over several years (approx 3 years and greater).
Rhubarb normally grows to a clump-forming habit with a max height of 3.25 feet (that's 1.00 metres metric). Expect blooming to occur in late spring and harvesting to start by mid spring.
Russia is thought to be the country of origin for Rhubarb.
Due to how easy it is to grow in a variety of conditions, Rhubarb is great for beginner gardeners and those that like low maintainance gardens.
This plant info is provided by the myfolia gardener's wiki. All details about Rhubarb have been kindly provided by our members.
Plant in a location that enjoys full sun. A soil ph of between 6.0 and 6.8 is ideal for Rhubarb as it does best in weakly acidic soil. Keep in mind when planting that Rhubarb is thought of as hardy, so this plant will survive close to or on freezing temperatures.
See our list of companion Plants for Rhubarb to see which plants you should plant in close proximity to encourage growth.
If you grow from seed it will take an extra year to produce stalks and will not always be true to type.
Plant or divide when plant is dormant, in early spring or fall. Soil temperature should be below 50º F.
Thrives in rich, well-drained soil. Loosen the dirt to a depth of at least 10 inches and mix in plenty of compost, well-rotted manure and a handful of fertilizer such as 5-10-10. Rhubarb plants are very heavy feeders and manure should be added to the soil every year. Plant the crown so that it’s covered with only an inch or two of soil. Allow each plant about one square meter of space.As Rhubarb is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.
Break off the stalks at the base. Rhubarb is traditionally ‘pulled’. Cut off an throw away the poisonous leaves—it is the stalks you want. Stop using the rhubarb when the plant begins to produce spindly stalks. Always leave plenty of foliage to sustain the plant’s roots for next year’s growth. Do not harvest after a frost.
These estimates for how long Rhubarb takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average 10 days | Min 6 days | Max 345 days (13)
Average days | Min days | Max days (0)
Average 175 days | Min 34 days | Max 298 days (35)
The roots contain anthraquinones and have strong purgative properties
Indigenous to Mongolia, but widely cultivated as a vegetable
Garden rhubarb, Ruhbarb
Rheum rhabarbarum L.
1 “Growing Rhubarb” http://gardening.about.com/od/vegetables/a/Rhubarb.htm