What temperature can cucumber tolerate at night?

Author: Ena D'Amore  |  Last update: Monday, March 31, 2025

Daytime temperatures should hover between 60-95°F (15-35°C), with the sweet spot around 70-82°F (21-28°C) for those juicy, crunchy fruits. Come nightfall, they need a bit of a chill, ideally dipping to 60-68°F (16-20°C).

How cold is too cold for cucumbers at night?

Even prolonged exposure to temperatures below 55 degrees F. (13 C.) can cause decay, pitting, and water-soaked areas on fruit. Sudden cold snaps can cause cucumber plant damage on leaves, stems, and fruit or even kill the plants.

Do I need to cover my cucumber plants?

Cucumbers are sensitive to frost. Plant at least two weeks after all danger of frost has passed. You can use plastic sheeting on the ground to help retain the earth's heat. You can also cover plants with a row cover until they start blooming, if needed.

What temperature to plant cucumbers outside?

As with transplanting, direct sow cucumber seeds when the last frost date has passed and outdoor temperatures have warmed. Ideally, the daytime temperature should be above 70 F (21 C) and nighttime temperatures shouldn't drop below 60 F (15 C).

How to protect cucumbers from heat?

Cucumbers don't mind humidity or moderate heat, so no worries there. To fight the excessive heat, plant in an area that is shaded for the hottest part of the day.

Your Cucumber Plants Will DIE Every Time You Make This Mistake!

How hot is too hot for cucumber?

Like all crops, cucumbers too have a preferred temperature range. As a warm season crop, the ideal temperature range for cucumbers is generally 21-26°C (70-80°F). However, the plants can withstand a wider range, if necessary, ranging from 15-29°C (60-85°F).

Can cucumbers survive 40 degrees?

Cucumbers are heat-sensitive and do best in temperatures between 60-90°F (16-32°C). They can tolerate some heat but will become stressed if temperatures exceed 95°F (35°C). Cucumbers can also be damaged by frost and temperatures below 50°F (10°C).

Should I cover my plants at 40 degrees?

Covering plant material at temperatures between 39-30 with freeze cloth or covering can be effective. Prolonged exposure at temperatures of 28 degrees and below will notice protection results diminish with each degree dropped.

Should I water cucumbers every day?

In the grand scheme of things, cucumbers crave a consistent 1-2 inches of water weekly. But let's not oversimplify. Sandy soils dry out faster than a gossip in a small town, necessitating more frequent watering. Clay soils, the stage-five clingers of the garden, retain moisture longer and demand less.

Should you cover tomato plants at 40 degrees?

It's sunny again… wait… ), but some vegetables won't be happy (and grow into incredibly prolific tomato producers - yes, I'm talking to you, tomato fanatics) if you don't protect them until night temperatures warm up consistently to 50 degrees and above.

Do cucumbers like full sun or shade?

6-8 hours of direct sunlight needed for cucumbers to flourish. 🌞 Full sun boosts yield; full shade hinders growth and fruiting.

Is 50 degrees too cold for vegetable plants?

Vegetables vary widely in how much cold they can tolerate as they reach maturity. Crops that came from warmer parts of the world cannot tolerate even a light frost, and may even begin to suffer at temperatures below 50 degrees Fahrenheit.

Should I cut the bottom leaves off my cucumber plant?

If your cucumber plant is thriving, remove the lower leaves to help it stay healthy. For shoots 50cm above the ground, regularly check the leaf axils for side shoots. Cut them off after the first couple of fruit sets. If your plant is becoming too large, cut off the top of the main shoot at the end of the season.

Is 40 degrees at night too cold for plants?

Each plant has a different threshold when it comes to dealing with the cold. Some plants can survive outside even when temperatures hit freezing. Others need to be brought indoors when temperatures reach the mid-40s.

What happens if you plant cucumbers too early?

Cucumbers are on of the best garden vegetables. If you start them too early in the garden, the frost will kill them. Timing is critical to your cucumber success.

How to stop bugs from eating cucumber plants?

Planting borage, scarlet runner beans, and other flowers near your cucumbers attracts bumblebees, whose presence helps deter cucumber beetles. Grow repellent plants. Flowers like nasturtium and marigolds, an herb such as catnip, and veggies like radishes and corn help keep cucumber beetles away.

How do you tell if you are overwatering cucumbers?

Here's how to diagnose if they are getting the right amount of water: Step-by-Step Diagnosis Observe Plant Appearance Leaves: Underwatered: Dry, brittle, and wilted leaves. Overwatered: Yellow, wilted, but soft leaves. Stems: Underwatered: Thin and weak. Overwatered: Swollen and soft.

What is the best fertilizer for cucumber?

However, as soon as the first flowers start to appear the cucumber plant requires a higher level of potassium to encourage further flowering and subsequent fruiting. A high potassium fertiliser, such as tomato feed or a balanced fertiliser mix including potassium can be used as per the instructions.

Do zucchini and cucumbers grow well together?

As with other squash plants, it is not advisable to plant zucchini and cucumbers together. Cucumbers are members of the Cucurbitaceae family, just like zucchini and so they will compete for space and nutrients. Also, growing several similar plants in the same area can make it easier for pests to find the plants.

Can peppers survive 40 degree nights?

So will peppers survive 40 degrees? To sum it up, most peppers won't necessarily DIE from 40˚ F temperatures, but their growth can be stunted, and they may be slow to recover so it's best to keep them warm if possible.

Can I cover plants with garbage bags for one night?

If you're looking for tips for protecting your plants from frost, avoid using garbage bags as plant covers. Trash bags are not the best protection against frost damage, primarily due to their material. Most garbage bags are made out of low-density polyethylene plastic.

What's too cold for cucumber plants?

Below 63°F, cucumbers do not grow. In such conditions, plants sit in the soil and become susceptible to damages caused by pests in the soil. With that said, check soil temperatures and be sure they are above 63°F before planting cucumbers.

What is the lowest nighttime temperature for cucumbers?

Optimal Temperature Range for Cucumber Growth

Daytime temperatures should hover between 60-95°F (15-35°C), with the sweet spot around 70-82°F (21-28°C) for those juicy, crunchy fruits. Come nightfall, they need a bit of a chill, ideally dipping to 60-68°F (16-20°C).

Is 40 degrees at night too cold for tomatoes?

Another temperature to keep in mind: tomato plants will not survive in temperatures below 35 degrees Fahrenheit, and will not thrive at temperatures below 50 degrees. Gardeners can use a frost date calendar to note their region's average dates of last frost in spring and first frost in fall.

What plants need to be covered at 40 degrees?

First, it's good to know which plants are sensitive to temps around 35 or 40 degrees F. These are common tender plants that will need some protection. Hanging baskets: begonias, calibrachoa, gerbera, impatiens, vinca, euphorbia, and scoparia.

Previous article
Does gas or electric cause more house fires?
Next article
What symbol is tumble dry?