Last stand strategy with only burning peas

Strategy
This is a strategy for last stand that requires only 8 seed slots. Plants
 * Repeater
 * Gatling pea
 * Torchwood
 * Tallnut
 * Lily Pad
 * Jalepano
 * Squash
 * Cherry Bomb
 * Cat Tail (not needed)
 * Anything

Plant repeaters in row 1 and plant Gatling peas on them. Then plant torch woods in row 3. Then plant repeaters in row 2. You won't be able to plant one repeater so wait for flag 1 to finesh before planting it. Use tall nuts in case of emergency. Also in the pool you can plant cat tails in row 2 instead of repeaters.

Setup
G Gatling Pea

R Repeater

C Cattail

T Torchwood