Vegetable Growing Guide

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How to Grow Vegetables

Written By: Catherine Boeckmann Executive Digital Editor and Master Gardener
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In one handy chart, the Almanac Vegetables Growing Guide summarizes when to start seeds indoors and outdoors, the soil temperature needed to germinate, the plant’s hardiness level, when to fertilize, and when to water.

Of course, see the master Planting Calendar for more specific dates by YOUR zip code for all your common vegetables. 

Vegetables Growing Guide

Note: Each of the vegetables listed below links to an individual vegetable plant guide that covers sowing to growing to harvest!

VegetableStart Seeds Indoors (weeks before last spring frost)Start Seeds Outdoors (weeks before or after last spring frost)Minimum Soil Temp. to Germinate (°F)Cold HardinessWhen to FertilizeWhen to Water
BeansAnytime after48–50TenderAfter heavy bloom and set of podsRegularly, from start of pod to set
Beets3 before to 3 after39–41Half-hardyAt time of plantingOnly during drought conditions
Broccoli6–82–3 before55–75HardyThree weeks after transplantingOnly during drought conditions
Brussels sprouts6–855–75HardyThree weeks after transplantingAt transplanting
Cabbage6–81 before to 1 after38–40HardyThree weeks after transplantingTwo to three weeks before harvest
Carrots3–5 before39–41Half-hardyPreferably in the fall for the following springOnly during drought conditions
Cauliflower6–81 before to 1after65–75Half-hardyThree weeks after transplantingOnce, three weeks before harvest
Celery6–860–70TenderAt time of transplantingOnce a week
Corn2 after46–50TenderWhen eight to ten inches tall, and again when first silk appearsWhen tassels appear and cobs start to swell
Cucumbers2–41–2 after65–70Very tenderOne week after bloom, and again three weeks laterFrequently, especially when fruits form
Lettuce4–61 before to 2 after40–75Half-hardyTwo to three weeks after transplantingOnce a week
Melons2–42 after55–60Very tenderOne week after bloom, and again three weeks laterOnce a week
Onion sets4 before34–36HardyWhen bulbs begin to swell, and again when plants are one foot tallOnly during drought conditions
Parsnips0–3 before55–70HardyOne year before plantingOnly during drought conditions
Peas4–6 before34–36HardyAfter heavy bloom and set of podsRegularly, from start of pod to set
Peppers8–1070–80Very tenderAfter first fruit-setOnce a week
Potato tubers0–2 after55–70Half-hardyAt bloom time or time of second hillingRegularly, when tubers start to form
Pumpkins2–41 after55–60TenderJust before vines start to run, when plants are about one foot tallOnly during drought conditions
Radishes1 before to 1 after39–41HardyBefore spring plantingOnce a week
Spinach4–6 before55–65HardyWhen plants are one-third grownOnce a week
Squash, summer2–41 after55–60Very tenderJust before vines start to run, when plants are about one foot tallOnly during drought conditions
Squash, winter2–41 after55–60TenderJust before vines start to run, when plants are about one foot tallOnly during drought conditions
Tomatoes6–850–55TenderTwo weeks before, and after first pickingTwice a week

Ready to plan an amazing vegetable garden? Let’s get to the drawing board. Check out the amazing online Almanac Garden Planner tool!

About The Author
Catherine Boeckmann

Catherine Boeckmann

Executive Digital Editor and Master Gardener

Catherine Boeckmann is the Executive Digital Editor of Almanac.com, the website companion of The Old Farmer's Almanac. She covers gardening, plants, pest control, soil composition, seasonal and moon c...