Growing Potatoes

By SeeditrightPublished 14 min read
  • Beginner
  • Pillar

How to Grow Potatoes: Complete Beginner’s Guide

From seed potatoes to storage — the full path for home gardeners, with links to deeper guides on each step.

Potatoes are one of the most rewarding crops for a home garden. You plant a seed tuber (or a piece of one), give it sun, water, and room to hill up, and a few months later you dig food. This guide walks the full season for beginners and points you to specialized articles when you need more detail.

Practical numbers on this site follow university cooperative extension guidance for home gardens (Minnesota, Maryland, Clemson, and similar sources). Always adjust for your climate and soil.

What you need before you start

  • Full sun — at least 6 hours of direct light; 8–10 hours is better
  • Loose, well-drained soil — potatoes dislike wet, compacted ground
  • Certified seed potatoes — safer than grocery-store tubers
  • Space to hill — tubers form on underground stems; covering more stem usually helps

Want the deep dive on soil? → Best Soil for Potatoes

Step 1 — Choose potatoes (and a variety)

Buy certified disease-free seed potatoes from a garden center or seed company. Extension services consistently warn against planting grocery potatoes: they may be treated to stay dormant, and they can quietly carry diseases that persist in soil and affect other nightshades (tomatoes, peppers, eggplant).

Pick varieties that match your goal:

  • Early — faster new potatoes
  • Mid / late — better for storage crops
  • Russets — baking and frying
  • Yukon Gold / all-purpose — everyday cooking
  • Reds / fingerlings — boiling, roasting, salads

More on seed stock → What Is a Seed Potato?
Grocery tubers → Can You Grow Potatoes From Store-Bought Potatoes?

Step 2 — Know when to plant

Plant when soil is workable and roughly 45°F or warmer. Potatoes tolerate a light frost, but prolonged cold, wet soil invites rot. In many temperate regions that means early–mid spring; warmer coastal areas may plant earlier.

Exact timing → When to Plant Potatoes
Season length → How Long Do Potatoes Take to Grow?

Step 3 — Cut and prepare seed pieces

Small whole seed potatoes can be planted as-is. Larger tubers are cut into roughly 1½-inch (about 1½–2 oz) pieces with one to three eyes. Let cut surfaces dry for a few days so a protective callus forms — this reduces rotting after planting.

How to cut safely → How to Cut Seed Potatoes
Eyes explained → How to Grow Potatoes From Potato Eyes

Step 4 — Plant at the right depth and spacing

Typical home-garden planting:

  • Depth: 3–5 inches (later plantings often 5–6 inches)
  • In-row spacing: about 8–12 inches (closer for more small tubers; wider for larger ones)
  • Between rows: about 24–36 inches
  • Orientation: plant cut side down

Full planting walkthrough → How to Plant Potatoes
Spacing → How Far Apart to Plant Potatoes
Depth → How Deep to Plant Potatoes

Step 5 — Water, feed, and hill

Water: Aim for about 1 inch per week, applied deeply. Uneven moisture is linked to knobby, cracked, hollow, or misshapen tubers.

Fertilizer: Potatoes are relatively heavy feeders. Soil-test when you can; fertilize at planting and side-dress as plants grow (often around hilling time). Avoid “weed and feed” products.

Hilling: When stems are roughly a foot tall, mound soil (or add potting mix in containers) up the stems. Repeat once or twice. By season’s end you typically want about 6–8 inches of cover so tubers stay dark and form on more buried stem.

Water → How Much Water Do Potatoes Need?
Sun → How Much Sun Do Potatoes Need?
Fertilizer → Best Fertilizer for Potatoes
Hilling → How to Hill Potatoes · When to Hill Potatoes

Step 6 — Choose a growing method that fits your space

You do not need a large plot:

Maryland Extension notes potatoes can succeed in containers, while tall “potato towers” often disappoint — depth and moisture matter more than height gimmicks.

Step 7 — Harvest at the right stage

  • New potatoes: often ready about 6–8 weeks after planting (many gardeners dig after flowering starts)
  • Storage potatoes: wait until vines die back; for thicker skins, many guides suggest leaving tubers in the ground about 2 weeks after tops die, then dig on a dry day

Harvest how-to → How to Harvest Potatoes
Readiness signs → When Are Potatoes Ready to Harvest?

Step 8 — Cure, then store

Do not wash potatoes before storage. Cure them roughly 10–14 days in the dark around 50–60°F with high humidity so skins set and small wounds heal. Then store cool, dark, moist, and ventilated — commonly about 40–50°F.

Curing → How to Cure Potatoes
Storage → How to Store Potatoes
Greening → Why Do Potatoes Turn Green?
Sprouting → Why Are My Potatoes Sprouting?

Preventing pests and disease (high level)

The best home-garden prevention is cultural:

  1. Start with certified seed
  2. Rotate away from potatoes/tomatoes/peppers/eggplant for several years when possible
  3. Keep foliage drier (avoid unnecessary overhead watering)
  4. Hill to keep tubers covered
  5. Remove severely diseased plants promptly

For identification and treatment, use your state extension resources — recommendations change, and some products are restricted.

Troubleshooting quick links

A simple season checklist

  1. Buy certified seed potatoes
  2. Wait for ~45°F soil
  3. Cut/dry seed pieces
  4. Plant 3–5″ deep, 8–12″ apart
  5. Water evenly; fertilize based on soil needs
  6. Hill when plants are ~12″ tall
  7. Dig new potatoes early or wait for dieback for storage
  8. Cure, then store cool and dark

That is the whole cycle. Use the linked guides when one step deserves its own deep dive.