Seeds to Start in April: Marigolds Marigolds make a perfect garden companion for your vegetables and herbs! Start your marigold seeds indoors around 6 8 weeks before the last frost date Bowed Smooth Planter 7 Heavy Duty Nursery Pots HTG Supply Hydroponics & Grow Lights How to Grow Beets Sow True Seed Castor oil seeds, dry whole capsules and husks from castor oil capsules on a wooden surface. Ricinus communis, the castor bean or castor oil plant. Top view. Stock Photo Adobe Stock Ty Pennington Silver Metal Plant Stand, Large At Home