Yes, you can plant okra too close and your harvest will suffer for it. Crowded plants compete for water and nutrients in the soil. Disease spreads faster and harvesting becomes a pain when stems grow into each other.
I learned about okra plant spacing the hard way my first year. I skipped thinning because the seedlings looked so healthy together. By midsummer my crowded row produced pods half the size of my spaced row. The packed plants also had aphid problems I never saw in the open row.
Each okra plant needs room for its roots to spread out underground. The roots pull water and nutrients from the soil around them. Two plants right next to each other fight over the same patch of ground and both end up weaker and smaller.
Air flow matters too when you think about how far apart okra should grow. Tight spacing blocks air movement between plants and keeps leaves wet longer after rain. Wet leaves invite fungal diseases like powdery mildew that spread fast through crowded patches.
Texas A&M recommends planting okra seeds 2 inches (5 cm) apart at first. This close spacing makes sure you get plenty of seedlings even if some seeds fail. Thin them out later once you know which plants are strongest.
Thin your seedlings to 12-18 inches (30-45 cm) apart when they reach 3-4 inches (7.5-10 cm) tall. This feels wasteful but trust the process. Your remaining plants will grow bigger and produce more pods than a crowded row ever could.
Okra row spacing needs attention too if you grow multiple rows in your garden. Leave 3-6 feet (0.9-1.8 m) between rows so you can walk through to harvest. Closer rows mean you step on plants and miss pods hidden behind leaves.
Cut unwanted seedlings at soil level instead of pulling them out. Yanking out a seedling disturbs the roots of plants growing next to it. A clean snip with scissors removes the extra plant without hurting its neighbors.
Dwarf varieties can handle slightly closer spacing than tall ones. You might get away with 10-12 inches between compact plants. Tall heirloom types need the full 18 inches to avoid blocking each other from sunlight.
Give your okra the space it needs and watch your harvest grow. Fewer plants with room to spread produce more than twice as many pods as a crowded row. Your future self will thank you when picking time comes around.
Read the full article: Growing Okra: Complete Step-by-Step Plan