What type of business is Mhy Plant Castle LLC?

Mhy Plant Castle LLC is classified as a grower in Madison, WI.

Is Mhy Plant Castle LLC state-licensed?

Yes, Mhy Plant Castle LLC appears in WI's state nursery/dealer licensing registry, as of 2026-08-04 (license #541398).

What USDA growing zone is Mhy Plant Castle LLC in?

Mhy Plant Castle LLC (ZIP 53704) is in USDA hardiness zone 5b, with an average minimum winter temperature of -15°F.

What's plantable near Mhy Plant Castle LLC right now?

Based on ZIP 53704's frost dates, this is a good time to direct-sow 1 crop. See the full list above.

← Madison, WI

Wholesale Grower Grower

Mhy Plant Castle LLC

Name: Mhy Plant Castle LLC
Address: 1110 N Thompson Dr, Madison, WI, 53704, US
Telephone: (608) 886-0174

1110 N Thompson Dr, Madison, WI 53704

Business information on this page (including hours, address, phone number, rating, and licence status) is provided for reference only. Some fields carry their own as-of date; others may be older than they appear. Contact the business directly to confirm current information before visiting or purchasing. See our full Disclaimer.

State-licensed in WI as of 2026-08-04 , licence #541398, source registry · how we verify this

Call (608) 886-0174 Directions

Growing conditions

USDA hardiness zone: 5b
Avg. minimum winter temp: -15°F
Median frost dates: First ~Oct 10 · Last ~May 1

Frost dates: NOAA 1991–2020 Climate Normals, nearest station (MADISON DANE RGNL AP, WI US, 2.2 km away) .

What's plantable right now

Based on this ZIP's median frost dates, last frost ~May 1, first frost ~Oct 10.

Direct-sow now

Basil · 14–75 days to maturity

Planting-window sources: , Clemson Cooperative Extension, Home & Garden Information Center , Colorado State University Extension, Colorado Master Gardener Program , NC State Extension .

Planting windows and crop timing here are computed from USDA/NOAA climate data and the university extension sources cited below, not a site visit or soil test. Treat this as a starting point: local conditions vary, and a local nursery or extension office can advise on your exact site. See our full Disclaimer.

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Learn to garden in WI →

Frequently asked questions

What type of business is Mhy Plant Castle LLC?: Mhy Plant Castle LLC is classified as a grower in Madison, WI.
Is Mhy Plant Castle LLC state-licensed?: Yes, Mhy Plant Castle LLC appears in WI's state nursery/dealer licensing registry, as of 2026-08-04 (license #541398).
What USDA growing zone is Mhy Plant Castle LLC in?: Mhy Plant Castle LLC (ZIP 53704) is in USDA hardiness zone 5b, with an average minimum winter temperature of -15°F.
What's plantable near Mhy Plant Castle LLC right now?: Based on ZIP 53704's frost dates, this is a good time to direct-sow 1 crop. See the full list above.

Source: State registry record. See something wrong? Request a correction or removal →