1.0Indiana Yard and Garden - Purdue Consumer Horticulturehttps://www.purdue.edu/hla/sites/yardandgardenRosie Lernerhttps://www.purdue.edu/hla/sites/yardandgarden/author/rosie/rich600338<blockquote class="wp-embedded-content" data-secret="cCx8BTDg1e"><a href="https://www.purdue.edu/hla/sites/yardandgarden/february-in-the-grow/">February “In The Grow”</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.purdue.edu/hla/sites/yardandgarden/february-in-the-grow/embed/#?secret=cCx8BTDg1e" width="600" height="338" title="“February “In The Grow”” — Indiana Yard and Garden - Purdue Consumer Horticulture" data-secret="cCx8BTDg1e" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.purdue.edu/hla/sites/yardandgarden/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Q. I had a severe problem with black spot on my roses last season. What can I do, and what can I use to prevent it this year? –Ruth A. Beer, Syracuse, Ind. A. Black spot is a serious problem on roses in Indiana. Black, circular spots with fringed or uneven margins form on upper leaf surfaces in the spring and summer. Spots may also develop on canes and leaf petioles when the infection is...Read more about [Read More]