Watermelon Dropping Blossoms: Why Are Flowers Falling Off Watermelon Vines

Yellow Flowers On Watermelon Vines

Image by romiri

We all know that fruits develop from blooms on our plants,
and the same is, of course, true of watermelons. Watermelons
grow many more blossoms than they need to produce fruit. Continue with us to
learn when blossom drop is serious, when it is normal, and how to determine
between the two so we can get your watermelons to grow into big, juicy fruit.

Why are Watermelons Losing Flowers?

Flowers falling off watermelon plants during the first
stages of blooms are usually male flowers, not the female blossoms that produce
the melons. These first blossoms are borne to pollinate the upcoming female
blooms, usually in the following 10 to 14 days. So, while they will drop,
watermelons losing flowers in the beginning is normal.

We want the female flowers to remain on the vine for
pollination and to eventually become melons. To identify female blooms, look
for shorter stems and a swollen area that will be under the flower that
possibly looks like a tiny watermelon. If your female watermelon blossoms are
dropping, it is likely due to poor pollination.

Ways to Prevent Flowers Falling Off Watermelon

On most varieties, each vine will support (carry) two to
three melons, so you may have to remove blooms. If you opt to grow just one or
two fruits on each vine, they’ll get all the plant’s energy to be bigger and
sweeter.

Since we want to be in control of removing the blooms, there
are a few tips and tricks to help avoid watermelon blossom drop. These include:

Pollinate
the female flowers
. Do this by
taking a male flower, remove the flower petals and use the stamen from it to
make contact with the pistil on the inside of the female flower. Brush and
shake the pollen to make contact with the pistil on the female. You may also
use a small paintbrush to hand
pollinate the melon plants
.

Add honeybee hives or pollinator plants near your growing area. Bees usually pollinate early in the morning. In cool or damp conditions, they don’t travel as far from the hive as on sunny, warm days. Locate hives as close as possible to the garden and include a number of flowering plants in and around the garden too. Bumblebees may pollinate for you as well.

Fertilize
the plant as buds appear
.
This makes the flowers a little stronger and may encourage them to hold onto
the vine for an extra day or so, while waiting for pollination. Vigorous vines
produce the best flowers.

Use
only high-quality transplants to get your watermelon plants started
. If possible, grow a disease-resistant variety.

This article was last updated on 09/17/21
Read more about Watermelons

We all know that fruits develop from blooms on our plants,
and the same is, of course, true of watermelons. Watermelons
grow many more blossoms than they need to produce fruit. Continue with us to
learn when blossom drop is serious, when it is normal, and how to determine
between the two so we can get your watermelons to grow into big, juicy fruit.

Why are Watermelons Losing Flowers?

Flowers falling off watermelon plants during the first
stages of blooms are usually male flowers, not the female blossoms that produce
the melons. These first blossoms are borne to pollinate the upcoming female
blooms, usually in the following 10 to 14 days. So, while they will drop,
watermelons losing flowers in the beginning is normal.

We want the female flowers to remain on the vine for
pollination and to eventually become melons. To identify female blooms, look
for shorter stems and a swollen area that will be under the flower that
possibly looks like a tiny watermelon. If your female watermelon blossoms are
dropping, it is likely due to poor pollination.

Ways to Prevent Flowers Falling Off Watermelon

On most varieties, each vine will support (carry) two to
three melons, so you may have to remove blooms. If you opt to grow just one or
two fruits on each vine, they’ll get all the plant’s energy to be bigger and
sweeter.

Since we want to be in control of removing the blooms, there
are a few tips and tricks to help avoid watermelon blossom drop. These include:

Pollinate
the female flowers
. Do this by
taking a male flower, remove the flower petals and use the stamen from it to
make contact with the pistil on the inside of the female flower. Brush and
shake the pollen to make contact with the pistil on the female. You may also
use a small paintbrush to hand
pollinate the melon plants
.

Add honeybee hives or pollinator plants near your growing area. Bees usually pollinate early in the morning. In cool or damp conditions, they don’t travel as far from the hive as on sunny, warm days. Locate hives as close as possible to the garden and include a number of flowering plants in and around the garden too. Bumblebees may pollinate for you as well.

Fertilize
the plant as buds appear
.
This makes the flowers a little stronger and may encourage them to hold onto
the vine for an extra day or so, while waiting for pollination. Vigorous vines
produce the best flowers.

Use
only high-quality transplants to get your watermelon plants started
. If possible, grow a disease-resistant variety.

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