The White House is closing in on general agreements with Japan and India to stave off massive U.S. tariffs, but they are likely to leave many of the thorny details to be hashed out at a later date.

White House spring traditions, like the grounds themselves, have been shaped by the vision of presidents and first ladies, renowned landscape architects and generations of dedicated gardeners.

Trump has held several meetings about installing the patio outside the White House with architects and others who could work on the project, and the White House has asked officials at the White ...