If you first prepare the whole artichoke, use the same times and tenderness checking methods as you would for serving a whole artichoke. The central choke bud should be harvested when it is between 3 to 5 inches in diameter. Artichoke Seed Plants: When To Start An Artichoke Seed. Instead, choose two likely fruits from opposite sides of the tree. If you want to know how to tell when an artichoke is ripe, the information in this article can help. Black spots on the leaves are simply oxidization; though unattractive, they do not mean that the artichoke has gone bad. They should feel heavy and firm, with the right size for ripe oranges of their variety. Medium-ripe fruit can be gobbled up or left to ripen for one to two days. Ripe artichokes will squeak when squeezed, meaning that the leaves are crisp. The secondary side buds are best harvested when between 1 to 3 inches in size. By Jackie Rhoades. Look for bright-green artichokes that are heavy for their size; heavy means there is a lot of meat on the leaves and a large heart. Citrus trees (Citrus spp.) Size is the primary way to tell if an artichoke is ripe. How to Tell if Citrus Is Ripe. =P If you know how, great, if you don't, look up a picture. If, like me, you’ve bought not-quite-ripe fruit, then it’s good to know that most recipes call for medium-ripe avocados. You can prepare artichoke hearts by cooking the whole artichoke by boiling or steaming, then cutting out the heart, or by removing the leaves and only cooking the heart and stem by boiling or steaming. You're all good. If you wait too long, the artichoke becomes tough. How to Tell if an Artichoke is Ripe. Read the following article for tips on harvesting and growing artichoke seeds in your garden. Seed plants from the artichoke are easy to grow. Interested in germinating artichoke seeds? There's a particular way on how to cut it though, because you can't really cut it straight down the middle. Haha ^^ Have fun! For the really firm, bright-green variety, you will need four to five days of ripening time at room temperature. If it's a deep purple on the outside and white on the inside, you're all good. If they’re ready, their stems will pull away from their branches without resisting. Cut it open and see. There are 4 simple signs to check if a mango is ripe and ready to eat! Cold winters aren’t a given, so don’t count on your oranges’ rinds to tell you when they’re ripe. grow throughout U.S. Department of Agriculture plant hardiness zones 9 through 11.