GreenlyMoon planting calendar for May 2027
May 2027: new moon 6 May at 10:59, full moon 20 May at 10:59 (UTC). By folk tradition, crops that fruit above the ground are sown on the waxing moon (8–18 May), root crops and bulbs on the waning moon (1–4 May and 22–31 May); the days around the new and the full moon are left without sowing.
Folk tradition, not supported by science. Greenly’s dates follow your frost dates and the soil.
Phases of the moon
- New moon — 6 May at 10:59 UTC
- First quarter — 13 May at 04:44 UTC
- Full moon — 20 May at 10:59 UTC
- Last quarter — 28 May at 13:58 UTC
Times are in UTC (Coordinated Universal Time): add your own offset — for example +1 h in winter in Central Europe. Phases worked out with Meeus’s method, accurate to a few minutes.
Day by day
| Day | Moon | Lit | Folk advice |
|---|---|---|---|
| Sat 1 | Waning crescent | 26% | roots and bulbs |
| Sun 2 | Waning crescent | 17% | roots and bulbs |
| Mon 3 | Waning crescent | 10% | roots and bulbs |
| Tue 4 | Waning crescent | 5% | roots and bulbs |
| Wed 5 | Waning crescent | 1% | rest |
| Thu 6 | New moon · 10:59 UTC | 0% | rest |
| Fri 7 | Waxing crescent | 1% | rest |
| Sat 8 | Waxing crescent | 5% | above-ground crops |
| Sun 9 | Waxing crescent | 10% | above-ground crops |
| Mon 10 | Waxing crescent | 17% | above-ground crops |
| Tue 11 | Waxing crescent | 26% | above-ground crops |
| Wed 12 | Waxing crescent | 36% | above-ground crops |
| Thu 13 | First quarter · 04:44 UTC | 46% | above-ground crops |
| Fri 14 | Waxing moon | 57% | above-ground crops |
| Sat 15 | Waxing moon | 67% | above-ground crops |
| Sun 16 | Waxing moon | 77% | above-ground crops |
| Mon 17 | Waxing moon | 85% | above-ground crops |
| Tue 18 | Waxing moon | 92% | above-ground crops |
| Wed 19 | Waxing moon | 97% | harvest |
| Thu 20 | Full moon · 10:59 UTC | 99% | harvest |
| Fri 21 | Waning moon | 100% | harvest |
| Sat 22 | Waning moon | 98% | roots and bulbs |
| Sun 23 | Waning moon | 94% | roots and bulbs |
| Mon 24 | Waning moon | 88% | roots and bulbs |
| Tue 25 | Waning moon | 81% | roots and bulbs |
| Wed 26 | Waning moon | 72% | roots and bulbs |
| Thu 27 | Waning moon | 62% | roots and bulbs |
| Fri 28 | Last quarter · 13:58 UTC | 51% | roots and bulbs |
| Sat 29 | Waning crescent | 41% | roots and bulbs |
| Sun 30 | Waning crescent | 30% | roots and bulbs |
| Mon 31 | Waning crescent | 21% | roots and bulbs |
What the folk calendar says
- Above-ground crops: By folk tradition: sow and plant what fruits above the ground — tomatoes, cucumbers, greens.
- Roots and bulbs: By folk tradition: root crops and bulbs, pruning and weeding.
- Rest: By folk tradition: a day to rest — no sowing or transplanting.
- Harvest: By folk tradition: no sowing; a good time to harvest.
Sowing by your frost dates
Greenly does not move a single date by the moon: sowing and planting dates come from ten years of frost data for your place and the soil temperature each crop needs.
- Frost dates by city
- What to plant in May
- What to plant in May in the Northeast and Midwest
- What to plant in May in the South
- What to plant in May in Texas
- What to plant in May in Florida
- What to plant in May in California
- What to plant in May in the Pacific Northwest
- What to plant in May in the Southwest
- What to plant in May in the Mountain West
- What to plant in May in Canada
- What to plant in May in the UK
- What to plant in May in Ireland
When is the new moon in May 2027?
May 2027: 6 May at 10:59 (UTC).
When is the full moon in May 2027?
May 2027: 20 May at 10:59 (UTC).
Which days are good for sowing by the moon in May?
By folk tradition, crops that fruit above the ground on 8–18 May, root crops and bulbs on 1–4 May and 22–31 May.
