Skip to content
Home » Vegetables » Which Seeds Require Light To Germinate?

Which Seeds Require Light To Germinate?

To ensure germination, these seeds should be pressed lightly onto the surface of the soil and kept moist.

  • Seeds that germinate best when exposed to light:
  • Ageratum Balloon Flower Begonia Browallia Coleus Columbine Geranium Impatiens Lettuce Lobelia Nicotian Osteospermum Petunias Poppies Savory Snapdragons.

Do seeds need grow lights to germinate?

As explained below, light is not important for seed germination, with a few exceptions. However, grow lights are necessary for sprouted seedlings unless they are in a sunny window or otherwise getting direct sunlight.

Which seeds germinate better in the dark?

Some other popular types which prefer darkness for germination are:

  • Calendula.
  • Centaurea.
  • Delphinium.
  • Gazania.
  • Nemesia.
  • Primula sinensis.
  • Schizanthus.

Do vegetable seeds need light or dark to germinate?

(1) Light conditions during germination are critical for many annuals and vegetables. The seeds of some plant species require light for germination.

Read more:  Are White Onions The Same As Sweet Onions?

What seeds should I start indoors?

Crops that are best started indoors include broccoli, brussels sprouts, cabbage, and tomatoes. Those with a slower root development, like cauliflower, celery, eggplant, and peppers, should also be started indoors.

Do sunflower seeds need light to germinate?

Sunflower seeds do not require light for germination. However, when grown indoors in pots, the plastic wrap is removed at the first sign of germination and the uncovered pots are placed in bright, indirect light.

Which seeds germinate fastest?

Cucumbers, lettuce, radishes, spinach, turnips, basil, melons, beans, peas, and other seeds that germinate quickly are some of the greatest examples.

Do tomatoes need light to germinate?

Seeds don’t need light to germinate, although after germination, you should ideally give the seedlings 14 or more hours of light a day. If you’re growing indoors on a windowsill, be sure to place pots in a warm, sunny spot that gets a good amount of natural light.

Do strawberry seeds need light to germinate?

Press the seeds into the surface but do not cover them, because in addition to cold stratification, strawberry seeds require light to germinate. Seeds will germinate in one to six weeks. Six weeks after the seeds germinate, transplant them into bigger, individual pots.

What vegetables require light to germinate?

Seeds that require light to germinate are lettuce and savory. These seeds should not be covered with soil or just barely. Press these seeds into the soil with your finger or thumb so that the seed is just surrounded but not covered with soil.

Read more:  What Can I Use Instead Of A Heat Mat For Seeds?

Do onions need light to germinate?

Onion seeds don’t need light to germinate, but the seedlings will require 12 hours a day as soon as they begin to emerge.

Can I germinate seeds in the dark?

Most seeds germinate best under dark conditions and might even be inhibited by light (e.g., Phacelia and Allium spp.). However, some species (e.g., Begonia, Primula, Coleus) need light to germinate (Miles and Brown 2007). Don’t confuse seed light requirements with what seedlings need. All seedlings require sunlight.

What is the easiest seed to grow indoors?

Easiest Flower Seeds To Start Indoors

  • Marigold. One of my all-time favorite flowers, marigolds are super easy seeds to grow indoors.
  • Castor Bean. Castor bean seeds can be a bit fussy, so it’s much easier to start them indoors.
  • Coleus.
  • Zinnia.
  • Cauliflower.
  • Brussels Sprouts.
  • Radicchio.
  • Tomatoes.

What is the easiest seed to grow?

It’s official: beans, peas, and pumpkins are among the top ten easiest plants to grow from seed, according to a list created by the Home Garden Seed Association. Also on the list: cucumbers, zinnias, cosmos, sunflowers, lettuce, radishes, and squash.

What seeds should I start indoors in February?

There are plenty of seeds that you can start indoors in February, and even a few that you can direct-sow outdoors.
These are the delicious veggies you can expect to start seeding this month:

  • Tomatoes.
  • Peppers.
  • Lettuces.
  • Eggplant.
  • Broccoli.
  • Cauliflower.
  • Brussels Sprouts.
  • Cabbage.

How many hours of light do seeds need to germinate?

16-18 hours
A sprouted seed is no longer a seed but a seedling, a miniature plant. The most important thing to consider and deliver is adequate plant light. Seedlings need more light than full grown plants, ideally as much as 16-18 hours a day.

Read more:  How Would You Describe An Onion?

Why won’t my sunflower seeds germinate?

The primary reasons for failed germination are: Seeds get eaten – mice, voles, birds, and wireworms all eat seeds. Check to see that the seed is still in the soil. Seeds rot – planted too deeply, over-watered, or in cold weather, our untreated seeds may simply rot.

How many hours of light do you need to start seeds?

14 to 16 hours
In general, seedlings should receive roughly 14 to 16 hours of light a day when situated in a south-facing window. This can be very difficult to achieve, and most growers opt to use artificial lights for their seedlings. These fluorescent lights should be left on for 12 to 16 hours a day.

What is the hardest seed to germinate?

Some seeds like Allium ‘Purple Sensation’ and Eryngium giganteum need a long period of cold-moist stratification with alternating temperatures. These are the most difficult seeds to germinate.

Which seed will grow in 2 days?

Chives. Chives are a great herb to grow on your kitchen counter! They come up very quickly—it’ll only take 2-3 days for chives to sprout.

Which plant will grow in 3 days?

02/8​Radishes
They can be grown in pots as well and sprout within just 3-4 days.

Tags: