Mini-Squash Patio Star F1 - Buzzy Patio Vegetables. A vegetable garden on your balcony, rooftop terrace or in your garden? Mini-Squash Patio Star can be grown in pots, tubs, plant sacks or in a square metre garden. Sow under glass glass in mid-April, prick out and transplant outdoors or sow directly in pots in mid-May. Harvest the fruits at a young stage.