Plant Database / Vegetables / Parsnip
Vegetables

Parsnip

Pastinaca sativa
Apiaceae (Carrot)

A sweet, hardy root that gets sweeter after frost. Like carrots, it demands deep, loose soil.

EdibleCool-seasonStores wellSurvival crop
Parsnip (Pastinaca sativa) illustration — Texas Roots plant database, by Jordan Polasek
Sun
Full sun
Water
Even
Soil
Deep, loose, stone-free
pH
6.0-7.0
Hardiness
Cool-season; frost-sweetened
Height
Tops 18 in
Spacing
3-4 in
Days to harvest
100-130

What it is

Parsnip (Pastinaca sativa) is in the Apiaceae (Carrot) family. A sweet, hardy root that gets sweeter after frost. Like carrots, it demands deep, loose soil.

How to grow it

It wants full sun, water it even, and give it deep, loose, stone-free soil. Target a soil pH around 6.0-7.0. Space plants about 3-4 in apart. Expect roughly 100-130. Cool-season; frost-sweetened.

How it's used

Parsnip is used: roasted, mashed, soups, stored.

🔎 How to identify it

  • Ferny celery-like leaves
  • Long cream-colored taproot
  • Sweetens with cold

Edibility

PartsRoot
UsesRoasted, mashed, soups, stored
CautionWild parsnip foliage can cause skin burns; handle cultivated tops with care too.
The grow guide

How to grow & propagate parsnip

Everything I've worked out about starting this one, keeping it alive through a Texas year, and turning one plant into many — free.

How to propagate parsnip

The carrot family carries a long taproot and does not want to be moved, so sow it in place. The seed is slow and needs steady moisture to germinate — never let the top of the soil dry out during those first two weeks. Let one plant bolt and flower and it'll hand you next year's seed in those lacy umbels, plus feed every beneficial insect in the yard.

Growing parsnip in Texas

Give it full sun and deep, loose, stone-free soil. Match the spot to the plant and most of the battle is already won.

This is a cool-season crop. On the Texas Gulf Coast that means your real windows are fall and late winter, not summer — sow as the heat breaks in September–October and again in late winter, and you'll harvest through our mild winters while the rest of the country is frozen out.

Keep moisture even, especially while it's young — deep, less-frequent soaks build better roots than a daily sprinkle.

Harvesting

Figure on roughly 100-130 before you're harvesting. Harvest at peak and keep harvesting — most vegetables produce harder the more you pick, and one left to over-mature tells the plant its job is done. The part you're after: root.

Making more for free

Every seed we sell is open-pollinated, which means you can save your own from the best plants and it'll grow true next year. Let a few of your strongest plants finish and go to seed, dry it fully, and store it cool and dark. That's the whole point of heirlooms — buy once, grow forever.

When the grid is down

Keep this knowledge offline

A garden full of parsnip is a real asset when times get hard — but the know-how to grow, store, and use it shouldn't live only on a website you can't reach. That's why I keep a copy of the references I rely on on a local server at home. Project NOMAD is a free, open-source way to run Wikipedia, survival and medical guides, maps, and even a private AI on your own hardware — knowledge that keeps working with no internet, no cloud, no signal.

See how I keep my library offline →
🌤 Before you plant: check the live 7-day garden weather to time it right for frost and heat.

Part of the free Texas Roots plant database, compiled by Jordan Polasek from his greenhouse in El Campo, Texas. Free to read and share. If it helped, the best thanks is to grow something.