What is the best fertilizer for cucumber plants?
William Harris
Updated on May 09, 2026
Cucumbers need moderate nitrogen and high phosphorus and potassium, so an organic plant food with the first number lower than the last two (like 3-4-6) is good. Tomatoes need soil that is high in all nutritional components, and the samefertilizer with slightly higher P and K numbers, will work well.
What should I feed my cucumber plants?
- BEST OVERALL: Miracle-Gro 2000422 Plant Food.
- BEST BANG FOR THE BUCK: Jobe's 09026NA Plant Food Vegetables & Tomato.
- BEST ORGANIC: Dr. ...
- BEST WATER-SOLUBLE: Miracle-Gro Water Soluble Plant Food.
- BEST FOR CONTAINERS: Jobe's 06028 Fertilizer Spikes Vegetable and Tomato.
Do cucumber plants like Epsom salts?
Like any other plant, the cucumber thrives on nutrient-rich soils. Epsom salt holds the key as far as these nutrients are concerned. It ensures your cucumber has enough Magnesium and Sulfur supply as lack of them leads to stunted growth.Should you fertilize cucumber plants?
Yes, you should always fertilize your cucumbers when you plant them. However, cucumber plants also need to be fertilized when you add mulch and when the plant starts growing. Adding fertilizer in the growth stage will boost the growth and deliver ripe fruits.Can I use tomato fertilizer on cucumbers?
A tomato feed will be near ideal for peppers and aubergines, all three belong to same family, solanaceae, as potatoes but cucumbers are cucurbits – members of the Cucurbitaceae family – like courgettes, marrows, pumpkins and squashes. A tomato feed is not ideal for this family and especially not the cucumber.The best NPK fertilizer grow cucumber plants faster
What helps cucumbers grow?
Cucumbers will grow quickly with little care. Be sure they receive an inch of water every week. Make the most of your food growing efforts by regularly feeding plants with a water-soluble plant food. When soil is warm, add a layer of straw mulch to keep fruit clean and help keep slugs and beetles away.How do you increase the yield of a cucumber?
How To Increase Cucumber Yield Summary
- Use a large container.
- Get the soil right.
- Water regularly.
- Feed regularly.
- Add correct supports.
- Attract pollinators.
- Pollinate by hand.
- Pick regularly.
How often should I fertilize cucumbers?
Cucumber plants need a small dose of fertilizer every 10 to 14 days for maximum growth and production. The best way to do this is by using liquid versions that absorb via the roots and foliage.What is the best fertilizer for squash and cucumbers?
Top 5 Best Fertilizers For Squash
- Sustane 464 Fertilizer (My Top Pick)
- Jobe's Organics Vegetable&Tomato Fertilizer (Best High-End Pick)
- EcoScraps For Organic Gardening Tomato&Vegetable Plant Food (Most Environmentally-Friendly Pick)
- Burpee Organic Bone Meal Fertilizer (Best Pick For End-Of-Season Use)