According to almanac tradition, beets are root crops. The almanac rule is to plant them in the third quarter of the Moon, between the full moon and the last quarter, on a day when the Moon sits in a fruitful or semi-fruitful sign. The table below lists those Traditional Days for 2027, month by month. No effect of the Moon on beets has been proven, so read every date as custom, not as a forecast.
What the tradition says about planting beets
The quarter rule
Gardening almanacs sort crops into types and assign each type a quarter of the Moon’s cycle. Beets belong to the root group (root crops, bulbs and perennials), which according to tradition goes in during the third quarter, the stretch from full moon to last quarter. Gardeners who plant by the Moon follow that rule, and the older almanacs they draw on say the same. If you want the wider background, our overview of planting by the moon covers where the practice comes from.
| Crop type | Examples in the almanac | Traditional quarter |
|---|---|---|
| Leafy crops that bear above ground | Lettuce, spinach, cabbage, broccoli, celery | First quarter (new moon to first quarter) |
| Above-ground crops that bear seed inside the fruit | Tomatoes, peppers, beans, squash, corn | Second quarter (first quarter to full moon) |
| Root crops, bulbs, perennials (beets are here) | Potatoes, carrots, garlic, onions, beets | Third quarter (full moon to last quarter) |
The fourth quarter, from last quarter to new moon, is the almanac’s rest period. Tradition keeps it for weeding, pruning, turning the soil and composting, not for sowing. The full phase cycle lasts 29.53 days, so the beet quarter comes around once per cycle.
The sign filter
Many moon-sign almanacs add a second filter on top of the quarter. This convention labels Cancer, Scorpio and Pisces fruitful, Taurus, Libra and Capricorn semi-fruitful, and Aries, Gemini, Leo, Virgo, Sagittarius and Aquarius barren. Sources differ on Virgo, Sagittarius and Aquarius. The Moon takes 27.32 days to complete one orbit against the stars, which is why it returns to each sign about once a month. The traditional days in the next section are third-quarter days when the Moon is in a fruitful or semi-fruitful sign.
What is and is not proven
No effect of the Moon’s phase or sign on germination or yield is established. The one physical link is gravity, and it is tiny. Calculated from the constants in the NASA Moon Fact Sheet, the Moon’s tidal pull at the Earth’s surface is about 1.1 millionths of a meter per second squared at its strongest. That is roughly one ten-millionth of gravity, far too small to move anything as small as a seed or a root. People plant by the Moon because of the tradition, not because the physics backs it.
Traditional beets planting days, 2026 and 2027
Every row below falls in 2027. Dates are read at noon Eastern time (ET), and each entry shows the Moon’s sign for those days.
| Month | Traditional days (Moon sign) |
|---|---|
| March 2027 | March 22-26 (Moon in Libra/Scorpio), March 29 (Moon in Capricorn) |
| April 2027 | April 21-22 (Moon in Scorpio), April 25-27 (Moon in Capricorn) |
| May 2027 | May 23-24 (Moon in Capricorn) |
| July 2027 | July 18 (Moon in Capricorn), July 21-23 (Moon in Pisces), July 26 (Moon in Taurus) |
| August 2027 | August 18-19 (Moon in Pisces), August 23-24 (Moon in Taurus) |
| September 2027 | September 19-20 (Moon in Taurus) |
The months shown are those when gardeners in much of the country plant beets. Your state may start earlier or later, so only the rows inside your own state’s window count. A row outside that window is just a date on a list.
Because each day is read at noon ET and the Moon changes sign during the day, treat the first and last day of a run as soft edges. The March 22-26 run shows the effect: the Moon is in Libra and then in Scorpio within the same stretch. The switch happens at some hour inside the run, not at midnight between two days.
The clock also matters if you garden outside the Eastern time zone. A sign change that falls in the evening for an ET reader can land earlier on the calendar day for someone in the Central, Mountain or Pacific zones. That makes the edge days of any run the least certain ones. If you want to stay near the middle of a run, the days between the two ends are the least likely to shift.
The traditional quarter and the sign filter both have to line up before a date appears here. That is why a month can hold two separate runs, as April does, and why the Capricorn days in March and May stand alone as single dates or short pairs. A longer run is simply a stretch where both conditions overlap for more days.
Check your state first: when to plant beets where you live
The order of decisions Matters More Than any date on the page above. Start with your state’s planting calendar for beets. Only then, if you want to, bring in the Moon to choose among the days that calendar already allows.
Frost dates and soil temperature decide whether beets can go in the ground at all. The Moon never overrides the calendar of the place. If you follow the tradition, it only chooses among days that are already open to you.
Our page on when to plant beets where you live is the place for the practical timing. It owns the planting dates, so none are repeated here. For a specific example of how a state page looks, see the Ohio planting calendar for beets. Every state has its own, and the full set is listed under our state guides.
A simple way to combine the two:
- Find your state’s beet window on its planting guide.
- Look at the table above and keep only the rows that fall inside that window.
- Within those rows, choose a traditional day, remembering that the first and last days of a run are soft edges.
If no traditional day falls inside your window, the tradition simply has nothing to offer for that stretch. You can plant on a day of your choosing, or look at the next row that does fit. Nothing in the almanac rule says a planting is ruined by missing its day, and this page makes no such claim.
A fair way to try it
The only way a home gardener can judge the custom for their own plot is to run a small comparison. One season will not settle anything, because weather, soil and seed lots vary from year to year. Several seasons of notes give a better picture, though even then the result applies only to your garden.
- Prepare one bed or two matching rows, and split the beet seed into two equal portions.
- Sow the first portion on a traditional day from the table that falls inside your state’s window.
- Sow the second portion on an ordinary day inside the same week, one that is not on the traditional list.
- Label both plantings with the sowing date and the reason, so you do not mix them up later.
- Keep notes on the date seedlings first appear and the date you harvest, along with the size and number of roots from each portion.
Keep everything else the same: seed variety, depth, spacing, watering and the same bed. If one row differs in light or drainage, the comparison tells you about the bed and not the Moon.
Be honest about what the notes can show. A difference in one year can come from weather or chance alone. A pattern that repeats over several seasons is worth more, but it still would not prove a Moon effect, only that it held in your garden.
Questions about planting beets by the moon
Does the tradition say to plant beets in a waxing or a waning moon?
According to almanac tradition, root crops go in during the third quarter, which falls between the full moon and the last quarter. That is a waning moon. The waxing quarters belong to leafy crops and to crops that bear seed inside the fruit. For more on that half of the cycle, see our page on planting in a waning moon.
What if a traditional day falls on a frost?
The tradition has no ruling for that, because it was never written around any one place’s weather. Your state’s planting guide settles whether the ground is ready. If a traditional day falls outside it, you can look for the next row in the table that fits, or plant on an ordinary day.
Do I need to follow the Moon sign as well?
Not every almanac asks for it. The quarter rule stands on its own, and some gardeners stop there. The table above also applies the sign convention, which labels Cancer, Scorpio and Pisces fruitful and Taurus, Libra and Capricorn semi-fruitful. A different school, the biodynamic calendar of Maria Thun, uses root days instead: Taurus, Virgo and Capricorn. It gives a different set of dates, so do not mix the two systems on one calendar.