Planting Rhubarb in Pots and Containers for Small Gardens

Think rhubarb is just for spacious allotments? Think again! With a big enough pot, the right variety, and a little seasonal care, you can enjoy lush, productive rhubarb in the tiniest patio, balcony, or city garden. Here’s how to grow rhubarb in containers for a harvest that rivals any country patch.

Why Grow Rhubarb in Pots?

• Space-saving: Perfect for renters, paved yards, or adding edible drama to patios.
• Flexible: Move plants for sunlight or winter shelter as needed.
• Control: Avoids spreading crowns and lets you manage watering/drainage more precisely.
• Ornamental: Red stalks and massive leaves add drama to small-space gardens.

Best Rhubarb Varieties for Containers

• ‘Timperley Early’ – Reliable, compact, and early-cropping.
• ‘Fulton’s Strawberry Surprise’ – RHS award-winner with good color.
• ‘Canada Red’ or ‘Amethyst’ – Compact and productive, with vivid stalks.
• Any modern, quick-cropping hybrid – Ask at local nurseries for patio-suitable types.

Picking the Right Pot

• Deep and wide: Minimum 40cm (16″) diameter and depth, ideally bigger.
• Material: Terracotta, heavy-duty plastic, or glazed ceramic prevent tipping.
• Drainage is key: Multiple holes and a layer of gravel at the base to avoid “wet feet.”

How to Plant Rhubarb in Containers

1. Fill with rich, well-drained mix: Use half multi-purpose compost, half John Innes No.3 or similar loam, plus a scoop of well-rotted manure/compost and a handful of gritty sand or perlite for drainage.
2. Plant so the crown is just below the surface—buds visible, but roots sunk deep.
3. Firm in and water well.
4. Mulch with compost or straw, keeping away from the buds.

Container Rhubarb Care

Watering

• Water thoroughly whenever the top 2–3cm of soil are dry—pots dry quicker than the open ground, especially in sun and wind.
• Avoid waterlogging by ensuring free-draining soil and holes stay clear.

Feeding

• Spring: Slow-release, balanced fertilizer or a monthly liquid tomato feed through the main growth season.
• Add a fresh mulch of compost each early spring.

Pruning and Harvesting

• Remove all seed stalks as soon as they appear—these sap strength from the plant.
• Don’t harvest in the first year. In year two, pick a few stalks at a time—never more than half the plant.
• Regular harvests from the third year onwards.

Winter Care

• Move pots to sheltered spots or bubble-wrap for frost protection in very cold regions.
• Avoid waterlogging by raising pots up on “pot feet” or bricks.

Troubleshooting

• Yellowing leaves: Check for waterlogging or nutrient deficiency.
• Tiny or weak stalks: May need a bigger pot, more feeding, or division if plants are old/crowded.
• No stalks emerging: Crown could be planted too deep, or rotted in wet soil.

Wrapping Up

With the right pot, mix, and a little care, rhubarb can be a surprising star of small gardens. Container-grown plants look ornamental, taste delicious, and bring a little countryside magic to even the smallest space.