How to Read a Seed Packet (2024)

Tips from the Garden

How to Read a Seed Packet (1)

Those little paper packets contain not just flowers and vegetables for this year’s organic garden, but also loads of information that can improve your chances for success growing from seed.

How to Read a Seed Packet (2)

Seed Packet Information

Planting depth: how deep to plant the seeds. Bigger seeds are planted more deeply; tiny seeds are barely covered with a fine layer of compost.

Row spacing: how far apart the rows should be if you’re planting a farm-style garden. Ignore this measurement if you’re using an intensive system like square-foot gardening.

Seed spacing: how far apart you should plant the seeds. If you plant using the “seed spacing” measurements, expect to have to thin your plants later in the season.

If you’re using the square foot garden method, check for a “thinned” spacing or instructions for thinning the plants. Plant using that spacing instead.

How to Read a Seed Packet (3)

Days to germination: time between planting and the seedling sticking its head out of the soil.

Days to harvest: time between planting the seed and getting food out of the plant.

Sun/location: how much sunlight the plant needs.

  • Full sun = 6 hours or more (8 or more for tomatoes, peppers, and eggplants)
  • Part sun = 4 to 6 hours of sun
  • Shade = less than 4 hours.

Expiration date: usually printed in different type, this date tells you how long your seeds should be good. Store seeds in a cool, dry, dark location in a sealable plastic bag or a lidded glass jar.

More Tips for Growing from Seed

If you plan to plant in summer to harvest in fall, buy your fall seeds in late winter or early spring when you buy the rest of them. It can be hard to find seeds in local stores in midsummer.

To make succession planting easier, consider keeping seeds in a file box with dividers for each week of the garden year. When you finish planting this week’s seeds, refile them for the next planting date.

How to Read a Seed Packet (2024)

FAQs

How do you read a seed packet? ›

But generally speaking, each seed packet will cover 4 areas: a description of the seed being sold, when to plant the seeds, how to plant the seeds, and what to expect from the plant you're growing. Descriptions can include flavor, color, history, or even meals that are typically made with the produce.

What information should be on a seed packet? ›

Plant Description - Seed packets usually provide a written description of the plant including common and scientific names, plant height at maturity, days to harvest or bloom and habit i.e. climbing, upright, etc.

What does the number of days mean on a seed packet? ›

Some packets are very clear about “days to maturity from seed, or days to maturity from transplant.” The “days to maturity” number describes the average number of days from planting until it's time to harvest. For seeds sown directly in the ground, that means from sowing to maturity.

What is the map on the back of a seed packet? ›

Some packets include hardiness zone maps with a month or a range of months for planting. Seed packets will also give information on whether to start seeds indoors or to plant seeds outside. Start seeds inside according to the packet's recommendation, usually 6-8 weeks before the average last frost date.

What are the numbers on seed packets? ›

How to Read a Seed Packet
  • 1. Days to Maturity This number represents the number of days it takes for the plant to go from seed to maturity.
  • 2. Days to Germination
  • 3. Planting Depth and Seed Spacing
  • 4. Timing
  • 5. Number of Seeds in Packet or Number of Seeds per Ounce
  • 6. Special Instructions

Do I plant the whole packet of seeds? ›

If only a few plants are needed, it is not necessary to plant all the seeds in a packet. Surplus seed often can be saved for a later planting date. Keeping seed dry and cool or at least at room temperature in a closed container is best.

Can you unlock plants with seed packets? ›

Some plants can also be unlocked if the player obtains 100/150/200/250 seed packets. As of the 9.9. 1 update, all adventure plants can be unlocked with either 10, 40, 60 or 100 seed packets.

What do seed numbers mean? ›

A random seed (or seed state, or just seed) is a number (or vector) used to initialize a pseudorandom number generator. For a seed to be used in a pseudorandom number generator, it does not need to be random.

What does 80 days mean on seed packet? ›

The days to maturity for this tomato is 80 from when it's transplanted. When purchasing vegetable seed or transplants, you'll notice each variety has a stated “days to maturity” listed on the package or plant label. In short, this means the number of days it will take for the plant to produce a harvest.

What happens if you plant seeds too close together? ›

Crowded seedlings are a common problem that can prevent plants from reaching their full potential. If you don't plant your seeds far enough apart, they'll have to compete for the same sun, water, air and nutrients in the soil.

What does thin mean on the back of a seed packet? ›

Packets will often provide how far apart to place seeds as spacing but occasionally they will phrase it as “thin too”. Whenever planting seeds it's best to plant 2-3 seeds per recommended spacing and then once the “true” leaves appear to thin them to 1 plant using a pair of scissors (don't pull them out).

What does the spacing mean on seed packets? ›

Seed spacing: how far apart you should plant the seeds. If you plant using the “seed spacing” measurements, expect to have to thin your plants later in the season. If you're using the square foot garden method, check for a “thinned” spacing or instructions for thinning the plants. Plant using that spacing instead.

What information is on seed packaging? ›

It is important to package seed in dry containers for proper storage. For small quantities of seed, these containers may be tin cans, jars, or pots that are glazed on the inside; even reinforced boxes or bags can be suitable. Metal or plastic jerricans, or drums are often used to package large quantities of seed.

What are 3 things that must be on a seed label? ›

All seed labels must have the following information:

1) Name of each kind and variety of seed in the package. 2) Lot number or other similar unique identification. 3) Name and address of the distributor.

What information is on seed tag? ›

In addition to the basic label (tag) information, a tag for a seed mixture will include: 1) Individual purity and germination (including hard and dormant seed) percentages and origin of each kind of seed occurring in excess of 5% of the total weight. 2) Pure seed percentage for each component as a percent of the whole.

How many seeds should go in a seed packet? ›

Seed type
Seed# seeds in packet# years viable
Pea150 - 1753
Pepper10 - 1002
Pumpkin10 - 254
Radish250 - 5004
11 more rows
Dec 22, 2022

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