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Zone 9b · Bay Area · Marin

Make your backyard feel like a tropical vacation—even with fog, wind, and light frost.

Real-world plant guides, frost-night checklists, and simple DIY shelters tested in an actual Bay Area backyard. No guessing, just practical steps that work in Zone 9b.

Free 1-page PDF Month-by-month tasks · Works for bananas, plumeria, hibiscus & more
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First 3 guides to read

Get your plants through winter, keep roots from rotting, and build a fast, no-drill frost shelter.

Winter survival

How to overwinter bananas in Zone 9b

Learn exactly when to cover, how much to water, and what to prune so your bananas come back strong in spring.

Works for dwarf Orinoco and similar hardy types.

Read the guide →
DIY shelter

Build a no-drill lean-to frost shelter in 45 minutes

Use EMT conduit, buckets, and a tarp to protect a whole group of plants—perfect for decks and rentals.

No holes, no permanent construction, big protection.

See the build steps →
Gear picks

Best frost cloth for Zone 9b (tested in Novato)

Not all “plant blankets” work the same. See which weights and sizes actually held up during real frost nights.

Includes budget, best overall, and upgrade picks.

View recommendations →
Topics

What you’ll find on Bay Area Tropics

Focused, practical guides written for cool-summer, light-frost yards in the Bay Area and similar climate zones.

Plant care

Plant-by-plant tropical care

Step-by-step care for bananas, plumeria, hibiscus, ginger, ti, canna, elephant ears, passionflower, and more.

  • Overwintering guides for Zone 9b
  • Soil mix recipes for pots and planters
  • Fertilizer and watering schedules
Browse plant guides →
DIY builds

Simple frost & wind shelters

Easy builds using EMT conduit, buckets, tarps, and frost cloth—no permanent construction required.

  • No-drill lean-tos for decks and patios
  • Portable sand-bucket pole bases
  • Grouped plant “corrals” against warm walls
See DIY builds →
Local & gear

Local buying guides & gear picks

Bay Area–centric nursery tips plus honest reviews of gear that survives cool, wet winters.

  • Nurseries in Marin & Sonoma that carry tropicals
  • Planters, soil, moisture meters, and timers
  • Mini greenhouses and covers that actually last
Explore reviews →
Free download

Get the 1-page Zone 9b Tropical Cheat Sheet

A printable, month-by-month checklist for tropical and subtropical plants in Zone 9b (Bay Area & similar climates). Perfect for bananas, plumeria, hibiscus, ginger, ti, and more.

No spam. Occasional Bay Area–specific tropical tips and frost alerts.