Las cuatro fechas que importan
| Fecha | Cuándo | Qué significa |
|---|---|---|
| Última helada de primavera (50 %) | May 6 | La mitad de los años hiela después de esta fecha. Es una media, no una garantía. |
| Última helada de primavera (10 %) | May 20 | Solo un año de cada diez hiela después de esta fecha. Úsala para lo que no puedas permitirte replantar. |
| Primera helada de otoño (50 %) | Oct 9 | La mitad de los años hiela antes de esta fecha. Los cultivos de otoño se cuentan hacia atrás desde aquí. |
| Primera helada de otoño (10 %) | Sep 25 | Un año de helada temprana. Si un cultivo tiene que terminar, apunta a cosechar antes de esta fecha. |
Siembra de primavera y verano en South Burlington
Las fechas se calculan con la última helada de este lugar, no con una tabla genérica por zona. Los «mejores días lunares» son los días de cada ventana que caen en la fase tradicional del cultivo, la misma regla que usa la app.
| Cultivo | Sembrar dentro | Plantar fuera | Mejores días lunares | Días hasta la cosecha |
|---|---|---|---|---|
| Strawberry (crowns) transplant |
— | Mar 7 – Apr 15 | Apr 1 Full Moon |
perennial — first real harvest next season |
| Garlic cloves/sets Mejor sembrarlo en otoño: mira abajo |
— | Mar 20 – Apr 20 | Apr 2–7 Waning Gibbous |
240–300 |
| Asparagus (crowns) transplant |
— | Mar 25 – Apr 29 | Mar 25, Apr 23 First Quarter |
perennial — first real harvest 2–3 years |
| Chives either |
Mar 11 | Mar 25 – Apr 29 | Apr 18–22 Waxing Crescent |
75–90 |
| Onion (from sets/transplants) cloves/sets |
— | Mar 25 – Apr 29 | Apr 2–7 Waning Gibbous |
90–120 |
| Peas (English/snap) direct sow |
— | Mar 25 – Apr 29 | Mar 25, Apr 23 First Quarter |
55–75 |
| Spinach direct sow |
— | Mar 25 – Apr 29 | Apr 18–22 Waxing Crescent |
35–50 |
| Cabbage transplant |
Mar 4 | Apr 1 – Apr 29 | Apr 18–22 Waxing Crescent |
65–90 |
| Collards either |
Mar 25 | Apr 1 – May 20 | Apr 18–22, May 17 Waxing Crescent |
55–85 |
| Kale either |
Mar 25 | Apr 1 – May 6 | Apr 18–22 Waxing Crescent |
50–65 |
| Lettuce (leaf) either |
Apr 1 | Apr 1 – May 27 | Apr 18–22, May 17 Waxing Crescent |
40–55 |
| Potato cloves/sets |
— | Apr 1 – May 6 | Apr 1, May 1 Full Moon |
70–120 |
| Radish direct sow |
— | Apr 1 – May 27 | Apr 2–7 Waning Gibbous |
22–35 |
| Turnip direct sow |
— | Apr 1 – May 13 | Apr 2–7 Waning Gibbous |
40–60 |
| Broccoli transplant |
Mar 4 | Apr 6 – May 6 | Apr 18–22 Waxing Crescent |
55–80 |
| Brussels Sprouts transplant |
Mar 4 | Apr 6 – May 6 | Apr 18–22 Waxing Crescent |
90–110 |
| Leek transplant |
Feb 25 | Apr 6 – May 6 | Apr 6–9, May 2–3 Waning Gibbous |
100–120 |
| Lettuce (head) transplant |
Mar 18 | Apr 6 – May 6 | Apr 18–22 Waxing Crescent |
60–85 |
| Parsley either |
Mar 4 | Apr 6 – May 13 | Apr 18–22 Waxing Crescent |
70–90 |
| Parsnip direct sow |
— | Apr 6 – May 13 | May 1 Full Moon |
100–150 |
| Shallot cloves/sets Mejor sembrarlo en otoño: mira abajo |
— | Apr 6 – May 6 | Apr 6–9, May 2–3 Waning Gibbous |
90–120 |
| Beet direct sow |
— | Apr 8 – May 27 | May 1 Full Moon |
50–65 |
| Kohlrabi either |
Mar 25 | Apr 8 – May 13 | Apr 18–22 Waxing Crescent |
45–60 |
| Carrot direct sow |
— | Apr 15 – May 27 | May 1 Full Moon |
65–85 |
| Cauliflower transplant |
Mar 4 | Apr 15 – May 6 | Apr 18–22 Waxing Crescent |
55–80 |
| Cilantro direct sow |
— | Apr 15 – May 27 | Apr 18–22, May 17 Waxing Crescent |
45–70 |
| Swiss Chard direct sow |
— | Apr 15 – Jun 5 | Apr 18–22, May 17 Waxing Crescent |
50–60 |
| Dill direct sow |
— | Apr 22 – Jun 5 | Apr 22, May 17–21 Waxing Crescent |
40–60 |
| Cucumber either |
Apr 15 | May 6 – Jun 5 | May 23 First Quarter |
50–70 |
| Green Beans (bush) direct sow |
— | May 6 – Jun 20 | May 23 First Quarter |
50–65 |
| Oregano transplant |
Mar 11 | May 6 – May 27 | May 23 First Quarter |
cut as needed |
| Sage transplant |
Mar 11 | May 6 – May 27 | May 23 First Quarter |
cut as needed |
| Sweet Corn direct sow |
— | May 6 – Jun 20 | May 23 First Quarter |
60–100 |
| Thyme transplant |
Mar 11 | May 6 – May 27 | May 23 First Quarter |
cut as needed |
| Zucchini / Summer Squash either |
Apr 15 | May 6 – Jun 5 | May 23 First Quarter |
45–60 |
| Basil either |
Mar 25 | May 13 – Jun 5 | May 17–22 Waxing Crescent |
30–60 |
| Dry Beans direct sow |
— | May 13 – Jun 10 | May 23 First Quarter |
85–100 |
| Pole Beans direct sow |
— | May 13 – Jun 15 | May 23 First Quarter |
60–75 |
| Pumpkin direct sow |
Apr 15 | May 13 – Jun 10 | May 23 First Quarter |
90–120 |
| Rosemary transplant |
May 6 | May 13 – Jun 5 | May 23 First Quarter |
cut as needed |
| Tomatillo transplant |
Mar 25 | May 13 – Jun 5 | May 23 First Quarter |
60–75 |
| Tomato transplant |
Mar 25 | May 13 – Jun 5 | May 23 First Quarter |
60–85 |
| Winter Squash direct sow |
Apr 15 | May 13 – Jun 10 | May 23 First Quarter |
85–110 |
| Cantaloupe / Muskmelon either |
Apr 15 | May 20 – Jun 10 | May 23 First Quarter |
75–90 |
| Eggplant transplant |
Mar 11 | May 20 – Jun 10 | May 23 First Quarter |
60–90 |
| Okra direct sow |
Apr 8 | May 20 – Jun 15 | May 23 First Quarter |
50–70 |
| Pepper transplant |
Mar 11 | May 20 – Jun 10 | May 23 First Quarter |
60–90 |
| Sweet Potato slips |
— | May 20 – Jun 15 | Jun 1–6 Waning Gibbous |
90–150 |
| Watermelon either |
Apr 15 | May 20 – Jun 10 | May 23 First Quarter |
70–90 |
Siembra de otoño en South Burlington
Las fechas de otoño se cuentan hacia atrás desde la primera helada y añaden tiempo por el «factor de otoño»: los días se acortan y refrescan, así que el cultivo crece más despacio de lo que promete el sobre. Sembrar tarde es la forma más común de que falle un huerto de otoño.
| Cultivo | Sembrar o trasplantar | Mejores días lunares | Días hasta la cosecha | Resistencia al frío |
|---|---|---|---|---|
| Brussels Sprouts | May 27 – Jun 13 | — | 90–110 | hardy |
| Potato | Jun 1 – Jul 3 | Jun 29 | 70–120 | semi-hardy |
| Pole Beans | Jun 16 – Jun 29 | Jun 21 | 60–75 | tender |
| Parsley | Jun 19 – Jul 3 | Jun 19–20 | 70–90 | semi-hardy |
| Okra | Jun 21 – Jul 21 | Jun 21, Jul 21 | 50–70 | very tender |
| Cabbage | Jun 26 – Jul 8 | — | 65–90 | hardy |
| Carrot | Jun 26 – Jul 8 | Jun 29 | 65–85 | semi-hardy |
| Collards | Jun 26 – Jul 18 | Jul 15–18 | 55–85 | hardy |
| Cucumber | Jun 26 – Jul 9 | — | 50–70 | tender |
| Broccoli | Jul 1 – Jul 18 | Jul 15–18 | 55–80 | hardy |
| Cauliflower | Jul 1 – Jul 18 | Jul 15–18 | 55–80 | semi-hardy |
| Green Beans (bush) | Jul 1 – Jul 9 | — | 50–65 | tender |
| Lettuce (head) | Jul 1 – Jul 13 | — | 60–85 | semi-hardy |
| Peas (English/snap) | Jul 1 – Jul 18 | — | 55–75 | hardy |
| Beet | Jul 6 – Jul 23 | — | 50–65 | semi-hardy |
| Kale | Jul 6 – Jul 23 | Jul 15–20 | 50–65 | hardy |
| Swiss Chard | Jul 6 – Jul 23 | Jul 15–20 | 50–60 | semi-hardy |
| Zucchini / Summer Squash | Jul 6 – Jul 14 | — | 45–60 | tender |
| Basil | Jul 11 – Jul 29 | Jul 15–20 | 30–60 | very tender |
| Kohlrabi | Jul 11 – Jul 28 | Jul 15–20 | 45–60 | hardy |
| Cilantro | Jul 16 – Jul 28 | Jul 16–20 | 45–70 | semi-hardy |
| Lettuce (leaf) | Jul 16 – Aug 2 | Jul 16–20 | 40–55 | semi-hardy |
| Turnip | Jul 16 – Aug 2 | Jul 30–Aug 2 | 40–60 | hardy |
| Spinach | Jul 21 – Aug 7 | — | 35–50 | hardy |
| Dill | Jul 26 – Aug 2 | — | 40–60 | semi-hardy |
| Radish | Jul 26 – Aug 20 | Jul 30–Aug 4 | 22–35 | hardy |
| Garlic | Sep 9 – Oct 30 | Sep 27–Oct 2 | 240–300 | hardy |
| Shallot | Sep 23 – Oct 24 | Sep 27–Oct 2 | 90–120 | hardy |
De dónde salen estos números
No hay ninguna estación meteorológica con registro largo dentro de South Burlington, así que estas fechas de helada son modeladas, no observadas. Salen de una malla climática de medio grado construida ajustando las fechas de helada de 6.808 estaciones de la NOAA (normales 1991–2020) contra el terreno y el ráster de rusticidad del USDA de 2023, y leyendo luego la celda en la que cae tu ciudad. Contrastado con las propias estaciones, ese modelo acierta con una semana de margen de media, y su zona coincide exactamente con la de la estación el 67 % de las veces y dentro de media zona el 97 %. Una celda cubre unas 35 por 28 millas, así que esto es una respuesta de barrio, no de patio trasero. Si hay una ubicación con estación real cerca de ti, prefiérela.
¿Qué precisión tiene todo esto?
Extension recommendations for the same crop routinely disagree by two to four weeks, and occasionally more, so these offsets should be presented as windows and starting points rather than deadlines. Three things drive the spread. (1) Regional risk tolerance: for warm-season crops, Colorado State and Utah State put tomatoes, peppers and melons out about 14 days after the last frost, while University of Missouri's calendar works out to roughly 25-35 days after the last frost and University of Maryland's window runs from the frost date itself out to 45 days past it. That is a real 6-week spread for the single most popular garden crop, and it exists because a short-season mountain state is optimizing against a short season while a humid continental state is optimizing against cold, wet spring soil. (2) Soil temperature versus calendar date: most Extension services now say the honest trigger is soil temperature at 4 inches, not the frost date, and the frost-relative number is a convenience translation. A cold, wet spring can push the real date two or three weeks past the calendar recommendation. (3) Days-to-maturity is variety-specific and is measured differently for direct-seeded versus transplanted crops - seed catalogs count from transplant date for tomatoes, peppers, eggplant and cole crops, but from sowing for roots and greens - so a 'days to maturity' range of 60-85 for tomato is genuinely 60-85 depending on which packet you bought. Additionally, the average last frost is a 50% probability, meaning half of all years have a frost after that date; Extension services commonly advise waiting 1-2 weeks past it for anything frost-tender, or being prepared to cover. Treat every number here as plus or minus about 10-14 days.
Sobre la estación en sí: una estación meteorológica es un punto. Las ciudades retienen el calor, los valles acumulan aire frío y un huerto en ladera norte puede ir dos semanas por detrás de otro a una milla. Toma esta página como punto de partida y deja que tu propio huerto la corrija: para eso está el diario de la app.
Lugares cercanos
Avisos de siembra para South Burlington
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