Cucumbers
Cucumbers (Cucumis sativus), native to India, excel in buckets when you choose compact, bush or dwarf varieties like ‘Bush Pickle’ or ‘Patio Snacker.’ These plants crave warmth—ideally at least six to eight hours of direct sun—and flourish in a loamy, well-draining soil mix. My first bucket-grown ‘Lemon’ cucumbers in late spring climbed a small trellis anchored to the bucket rim, producing crisp, tangy fruits well into autumn. In cooler months, moving buckets under a greenhouse bench with supplemental heat allowed me to keep yielding pickling cukes through early winter.
Though cultivated cucumbers rarely become invasive, their wild relatives can naturalize along riverbanks in warm regions. In containers, however, you contain any stray seedlings. Once flowers emerge—tiny yellow blossoms—bees, especially sweat bees and small bumblebees, nest near the soil surface to collect pollen and nectar. I’ve spotted carpenter bees investigating the blooms while leafcutter bees scuttle along the bucket rims, trimming leaf discs to line their nests nearby. Regularly harvesting cucumbers prevents overripening (which can stunt further production) and keeps the vines healthy. Just be vigilant about powdery mildew in humid seasons—sprinkling a bit of baking soda solution on leaves helps deter fungal spores without harming those beneficial nests!